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53623008: N1 category (finding)

    Status: retired, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 30-Jun 2023. Module: SNOMED CT core

    Descriptions:

    Id Description Lang Type Status Case? Module
    89148010 N1 stage en Synonym (core metadata concept) Active Entire term case sensitive (core metadata concept) SNOMED CT core
    1231234012 Node stage N1 en Synonym (core metadata concept) Active Only initial character case insensitive (core metadata concept) SNOMED CT core
    2836898012 N1 category (finding) en Fully specified name Active Entire term case sensitive (core metadata concept) SNOMED CT core
    2838326018 N1 category en Synonym (core metadata concept) Active Entire term case sensitive (core metadata concept) SNOMED CT core

    0 descendants.

    Expanded Value Set

    Outbound Relationships Type Target Active Characteristic Refinability Group Values
    N1 category Is a TNM classification of malignant tumor before any treatment false Inferred relationship Some
    N1 category Is a N category (observable entity) false Inferred relationship Some
    N1 category Is a Node category finding false Inferred relationship Some
    N1 category Associated morphology Morphologically abnormal structure (morphologic abnormality) false Inferred relationship Some
    N1 category Associated morphology Lesion (morphologic abnormality) false Inferred relationship Some 1
    N1 category Interprets Lesion observable false Inferred relationship Some 2
    Inbound Relationships Type Active Source Characteristic Refinability Group
    Node stage N1a Is a False N1 category Inferred relationship Some
    Node stage N1b Is a False N1 category Inferred relationship Some
    Node stage N1bi Is a False N1 category Inferred relationship Some
    Node stage N1bii Is a False N1 category Inferred relationship Some
    Node stage N1biii Is a False N1 category Inferred relationship Some
    Node stage N1biv Is a False N1 category Inferred relationship Some
    N1: Metastasis to movable ipsilateral axillary lymph node(s) Is a False N1 category Inferred relationship Some
    N1a: Only micrometastasis, none > 0.2 cm in greatest dimension Is a False N1 category Inferred relationship Some
    N1b: Metastasis to lymph node(s), any > 0.2 cm in greatest dimension Is a False N1 category Inferred relationship Some
    N1bi: Metastasis in 1 to 3 lymph nodes, any > 0.2 cm and all < 2 cm in greatest dimension Is a False N1 category Inferred relationship Some
    N1bii: Metastasis in 4 or more lymph nodes, any > 0.2 cm and all < 2 cm in greatest dimension Is a False N1 category Inferred relationship Some
    N1biii: Extension of tumor beyond the capsule of a lymph node metastasis, < 2 cm in greatest dimension Is a False N1 category Inferred relationship Some
    N1biv: Metastasis to a lymph node > 2 cm in greatest dimension Is a False N1 category Inferred relationship Some
    N1: Metastasis in 1-3 lymph nodes Is a False N1 category Inferred relationship Some
    N1a: 1-3 nodes involved Is a False N1 category Inferred relationship Some
    N1b: 4-7 nodes involved Is a False N1 category Inferred relationship Some
    N1c: >7 nodes involved Is a False N1 category Inferred relationship Some
    N1: Metastasis in 1-6 perigastric lymph nodes Is a False N1 category Inferred relationship Some
    N1: Metastasis in a single lymph node, < 2 cm in greatest dimension Is a False N1 category Inferred relationship Some
    N1: Metastasis in a single lymph node, <= 2 cm in greatest dimension Is a False N1 category Inferred relationship Some
    N1: Metastasis in a single ipsilateral lymph node, < 3 cm in greatest dimension Is a False N1 category Inferred relationship Some
    N1: Unilateral metastasis in lymph node(s) > 6 cm in greatest dimension, above supraclavicular fossa Is a False N1 category Inferred relationship Some
    N1: Metastasis in ipsilateral peribronchial and/or ipsilateral hilar lymph nodes, including intrapulmonary nodes involved by direct extension of the primary tumor Is a False N1 category Inferred relationship Some
    N1: Metastasis in a single lymph node Is a False N1 category Inferred relationship Some
    N1: Metastasis with a lymph node mass less than 2 cm in greatest dimension and 5 or fewer positive nodes, none larger than 2 cm in greatest dimension Is a False N1 category Inferred relationship Some
    N1: Metastasis in regional lymph node or nodes Is a False N1 category Inferred relationship Some
    N1: Pelvic or inguinal lymph node metastasis Is a False N1 category Inferred relationship Some
    N1a: Metastasis in ipsilateral cervical lymph node(s) Is a False N1 category Inferred relationship Some
    N1b: Metastasis in bilateral, midline, or contralateral cervical or mediastinal lymph node(s) Is a False N1 category Inferred relationship Some
    N1a: Metastasis in single regional lymph node Is a False N1 category Inferred relationship Some
    N1b: Metastasis in multiple regional lymph nodes Is a False N1 category Inferred relationship Some
    N1: Regional lymph node metastasis Is a False N1 category Inferred relationship Some
    N1: Metastasis in perirectal lymph node or nodes Is a False N1 category Inferred relationship Some
    pN1 category Is a False N1 category Inferred relationship Some

    Reference Sets

    Concept inactivation indicator reference set

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