431316002: Laparoscopic subtotal hysterectomy (procedure)

SNOMED CT Concept\Procedure\...

\Surgical procedure (procedure)\Surgical removal\Excision\Trunk excision\Excision of pelvis (procedure)\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Surgical procedure (procedure)\Surgical removal\Excision\Trunk excision\Excision of pelvis (procedure)\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Surgical procedure (procedure)\Surgical removal\Excision\Trunk excision\Abdomen excision\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Surgical procedure (procedure)\Surgical removal\Excision\Trunk excision\Abdomen excision\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Surgical procedure (procedure)\Operation on trunk\Operation on pelvic region of trunk (procedure)\Excision of pelvis (procedure)\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Surgical procedure (procedure)\Operation on trunk\Operation on pelvic region of trunk (procedure)\Excision of pelvis (procedure)\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Surgical procedure (procedure)\Operation on trunk\Operation on pelvic region of trunk (procedure)\Operation on female genital organs\Operation on uterus\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Surgical procedure (procedure)\Operation on trunk\Operation on pelvic region of trunk (procedure)\Operation on female genital organs\Operation on uterus\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Surgical procedure (procedure)\Operation on trunk\Upper female genital tract operation\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Surgical procedure (procedure)\Operation on trunk\Trunk excision\Excision of pelvis (procedure)\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Surgical procedure (procedure)\Operation on trunk\Trunk excision\Excision of pelvis (procedure)\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Surgical procedure (procedure)\Operation on trunk\Trunk excision\Abdomen excision\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Surgical procedure (procedure)\Operation on trunk\Trunk excision\Abdomen excision\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Surgical procedure (procedure)\Operation on trunk\Trunk incision\Abdomen incision\Incision of abdominal wall\Laparoscopy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Surgical procedure (procedure)\Operation on trunk\Operation on abdominal region\Abdomen excision\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Surgical procedure (procedure)\Operation on trunk\Operation on abdominal region\Abdomen excision\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Surgical procedure (procedure)\Operation on trunk\Operation on abdominal region\Abdomen incision\Incision of abdominal wall\Laparoscopy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Surgical procedure (procedure)\Operation on trunk\Operation on abdominal region\Operation on uterus\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Surgical procedure (procedure)\Operation on trunk\Operation on abdominal region\Operation on uterus\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Surgical procedure (procedure)\Incision\Trunk incision\Abdomen incision\Incision of abdominal wall\Laparoscopy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)

\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Procedure on pelvic region of trunk\Operation on pelvic region of trunk (procedure)\Excision of pelvis (procedure)\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Procedure on pelvic region of trunk\Operation on pelvic region of trunk (procedure)\Excision of pelvis (procedure)\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Procedure on pelvic region of trunk\Operation on pelvic region of trunk (procedure)\Operation on female genital organs\Operation on uterus\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Procedure on pelvic region of trunk\Operation on pelvic region of trunk (procedure)\Operation on female genital organs\Operation on uterus\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Procedure on pelvic region of trunk\Procedure on female genital organ\Procedure on uterus\Operation on uterus\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Procedure on pelvic region of trunk\Procedure on female genital organ\Procedure on uterus\Operation on uterus\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Procedure on abdomen\Examination of abdomen\Endoscopy of abdomen\Laparoscopy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Procedure on abdomen\Abdominal wall procedure\Incision of abdominal wall\Laparoscopy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Procedure on abdomen\Procedure on uterus\Operation on uterus\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Procedure on abdomen\Procedure on uterus\Operation on uterus\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Procedure on abdomen\Operation on abdominal region\Abdomen excision\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Procedure on abdomen\Operation on abdominal region\Abdomen excision\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Procedure on abdomen\Operation on abdominal region\Abdomen incision\Incision of abdominal wall\Laparoscopy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Procedure on abdomen\Operation on abdominal region\Operation on uterus\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Procedure on abdomen\Operation on abdominal region\Operation on uterus\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Procedure on genitourinary system\Procedure on female genital system\Upper female genital tract operation\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Procedure on genitourinary system\Procedure on female genital system\Procedure on female genital organ\Procedure on uterus\Operation on uterus\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Procedure on genitourinary system\Procedure on female genital system\Procedure on female genital organ\Procedure on uterus\Operation on uterus\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Procedure on genitourinary system\Procedure on female genital system\Operation on female genital organs\Operation on uterus\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Procedure on genitourinary system\Procedure on female genital system\Operation on female genital organs\Operation on uterus\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Operation on trunk\Operation on pelvic region of trunk (procedure)\Excision of pelvis (procedure)\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Operation on trunk\Operation on pelvic region of trunk (procedure)\Excision of pelvis (procedure)\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Operation on trunk\Operation on pelvic region of trunk (procedure)\Operation on female genital organs\Operation on uterus\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Operation on trunk\Operation on pelvic region of trunk (procedure)\Operation on female genital organs\Operation on uterus\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Operation on trunk\Upper female genital tract operation\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Operation on trunk\Trunk excision\Excision of pelvis (procedure)\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Operation on trunk\Trunk excision\Excision of pelvis (procedure)\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Operation on trunk\Trunk excision\Abdomen excision\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Operation on trunk\Trunk excision\Abdomen excision\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Operation on trunk\Trunk incision\Abdomen incision\Incision of abdominal wall\Laparoscopy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Operation on trunk\Operation on abdominal region\Abdomen excision\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Operation on trunk\Operation on abdominal region\Abdomen excision\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Operation on trunk\Operation on abdominal region\Abdomen incision\Incision of abdominal wall\Laparoscopy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Operation on trunk\Operation on abdominal region\Operation on uterus\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body region (procedure)\Procedure on trunk\Operation on trunk\Operation on abdominal region\Operation on uterus\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on organ\Procedure on female genital organ\Procedure on uterus\Operation on uterus\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on organ\Procedure on female genital organ\Procedure on uterus\Operation on uterus\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body system\Procedure on genitourinary system\Procedure on female genital system\Upper female genital tract operation\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body system\Procedure on genitourinary system\Procedure on female genital system\Procedure on female genital organ\Procedure on uterus\Operation on uterus\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body system\Procedure on genitourinary system\Procedure on female genital system\Procedure on female genital organ\Procedure on uterus\Operation on uterus\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body system\Procedure on genitourinary system\Procedure on female genital system\Operation on female genital organs\Operation on uterus\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Procedure on body system\Procedure on genitourinary system\Procedure on female genital system\Operation on female genital organs\Operation on uterus\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by site\Physical examination\Examination of abdomen\Endoscopy of abdomen\Laparoscopy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)

\Procedure by method\Evaluation procedure (procedure)\Examination by method\Inspection\Endoscopy (procedure)\Endoscopy of abdomen\Laparoscopy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Evaluation procedure (procedure)\Examination by method\Physical examination\Examination of abdomen\Endoscopy of abdomen\Laparoscopy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Removal\Surgical removal\Excision\Trunk excision\Excision of pelvis (procedure)\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Removal\Surgical removal\Excision\Trunk excision\Excision of pelvis (procedure)\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Removal\Surgical removal\Excision\Trunk excision\Abdomen excision\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Removal\Surgical removal\Excision\Trunk excision\Abdomen excision\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Interview, history AND/OR physical examination\Examination by method\Inspection\Endoscopy (procedure)\Endoscopy of abdomen\Laparoscopy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Interview, history AND/OR physical examination\Examination by method\Physical examination\Examination of abdomen\Endoscopy of abdomen\Laparoscopy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Operation on trunk\Operation on pelvic region of trunk (procedure)\Excision of pelvis (procedure)\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Operation on trunk\Operation on pelvic region of trunk (procedure)\Excision of pelvis (procedure)\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Operation on trunk\Operation on pelvic region of trunk (procedure)\Operation on female genital organs\Operation on uterus\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Operation on trunk\Operation on pelvic region of trunk (procedure)\Operation on female genital organs\Operation on uterus\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Operation on trunk\Upper female genital tract operation\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Operation on trunk\Trunk excision\Excision of pelvis (procedure)\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Operation on trunk\Trunk excision\Excision of pelvis (procedure)\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Operation on trunk\Trunk excision\Abdomen excision\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Operation on trunk\Trunk excision\Abdomen excision\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Operation on trunk\Trunk incision\Abdomen incision\Incision of abdominal wall\Laparoscopy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Operation on trunk\Operation on abdominal region\Abdomen excision\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Operation on trunk\Operation on abdominal region\Abdomen excision\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Operation on trunk\Operation on abdominal region\Abdomen incision\Incision of abdominal wall\Laparoscopy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Operation on trunk\Operation on abdominal region\Operation on uterus\Hysterectomy\Partial hysterectomy (procedure)\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Operation on trunk\Operation on abdominal region\Operation on uterus\Hysterectomy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)
\Procedure by method\Incision\Trunk incision\Abdomen incision\Incision of abdominal wall\Laparoscopy\Laparoscopic hysterectomy\Laparoscopic subtotal hysterectomy (procedure)

Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2008. Module: SNOMED CT core

Descriptions:

Id Description Lang Type Status Case? Module

2735810012 Laparoscopic subtotal hysterectomy (procedure) en Fully specified name Active Entire term case insensitive (core metadata concept) SNOMED CT core

2773128015 Laparoscopic subtotal hysterectomy en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core

5421918012 Laparoscopic supracervical hysterectomy en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core

5421919016 LASH - laparoscopic supracervical hysterectomy en Synonym (core metadata concept) Active Entire term case sensitive (core metadata concept) SNOMED CT core

Expanded Value Set

Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
Laparoscopic subtotal hysterectomy (procedure)	Is a	Partial hysterectomy (procedure)	true	Inferred relationship	Some
Laparoscopic subtotal hysterectomy (procedure)	Is a	Laparoscopic hysterectomy	true	Inferred relationship	Some
Laparoscopic subtotal hysterectomy (procedure)	Method	Excision - action (qualifier value)	false	Inferred relationship	Some	1
Laparoscopic subtotal hysterectomy (procedure)	Procedure site - Direct (attribute)	Uterus part	false	Inferred relationship	Some	1
Laparoscopic subtotal hysterectomy (procedure)	Using access device (attribute)	Laparoscope	false	Inferred relationship	Some	1
Laparoscopic subtotal hysterectomy (procedure)	Method	Excision - action (qualifier value)	true	Inferred relationship	Some	1
Laparoscopic subtotal hysterectomy (procedure)	Procedure site - Direct (attribute)	Uterus part	false	Inferred relationship	Some	1
Laparoscopic subtotal hysterectomy (procedure)	Using access device (attribute)	Laparoscope	false	Inferred relationship	Some	1
Laparoscopic subtotal hysterectomy (procedure)	Is a	Laparoscopic procedure	false	Inferred relationship	Some
Laparoscopic subtotal hysterectomy (procedure)	Is a	Endoscopic operation	false	Inferred relationship	Some
Laparoscopic subtotal hysterectomy (procedure)	Method	Inspection - action	true	Inferred relationship	Some	2
Laparoscopic subtotal hysterectomy (procedure)	Using device (attribute)	Laparoscope	true	Inferred relationship	Some	2
Laparoscopic subtotal hysterectomy (procedure)	Procedure site - Direct (attribute)	Abdomen	true	Inferred relationship	Some	2
Laparoscopic subtotal hysterectomy (procedure)	Method	Incision - action	true	Inferred relationship	Some	3
Laparoscopic subtotal hysterectomy (procedure)	Procedure site - Direct (attribute)	Anterior abdominal wall structure	true	Inferred relationship	Some	3
Laparoscopic subtotal hysterectomy (procedure)	Procedure site - Direct (attribute)	Body of uterus structure (body structure)	true	Inferred relationship	Some	1

Inbound Relationships	Type	Active	Source	Characteristic	Refinability	Group
Laparoscopic total hysterectomy (procedure)	Is a	False	Laparoscopic subtotal hysterectomy (procedure)	Inferred relationship	Some
Laparoscopic resection of uterine cornua	Is a	True	Laparoscopic subtotal hysterectomy (procedure)	Inferred relationship	Some
Laparoscopic supracervical hysterectomy	Is a	False	Laparoscopic subtotal hysterectomy (procedure)	Inferred relationship	Some
Laparoscopic radical amputation of cervix uteri	Is a	False	Laparoscopic subtotal hysterectomy (procedure)	Inferred relationship	Some
Laparoscopic adenomyomectomy (procedure)	Is a	True	Laparoscopic subtotal hysterectomy (procedure)	Inferred relationship	Some
Classic intrafascial supracervical hysterectomy (procedure)	Is a	True	Laparoscopic subtotal hysterectomy (procedure)	Inferred relationship	Some

This concept is not in any reference sets