| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Vascular disorder of large intestine | Finding site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Congenital stenosis of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Motility disorder of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Hyperplastic polyposis syndrome | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Irritable bowel syndrome characterized by constipation | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 2 | 
| Congenital hypoganglionosis of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 3 | 
| Immature ganglionosis of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 3 | 
| Benign carcinoid of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic malignant neoplasm to colon and/or rectum | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant neoplasm of colon and/or rectum | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Diverticulum of large intestine co-occurrent with hemorrhage of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Perforation of large and small intestine due to diverticulitis | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Structure of lumen of large intestine | Is a | True | Structure of large intestine | Inferred relationship | Existential restriction modifier |  | 
| Perforation and abscess of large intestine co-occurrent and due to diverticulitis | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Benign neuroendocrine neoplasm of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Gardner syndrome | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 2 | 
| Ameboma of large intestine caused by Entamoeba histolytica | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Juvenile polyposis syndrome | Finding site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 2 | 
| Anastomotic stricture of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 2 | 
| Infection of large intestine caused by Entamoeba histolytica | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Structure of blood vessel within large intestine | Is a | True | Structure of large intestine | Inferred relationship | Existential restriction modifier |  | 
| Congenital malrotation of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Congenital diverticulum of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Fecal impaction | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Familial adenomatous polyposis due to 5q22.2 microdeletion | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Crohn's disease of small and large intestines | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Abscess of intestine co-occurrent and due to Crohn's disease of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Abscess of intestine co-occurrent and due to Crohn's disease of small and large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopy of large intestine by transabdominal approach | Procedure site - Direct | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 2 | 
| Noninfective enteritis and colitis | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Low grade glandular intraepithelial neoplasia of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Benign epithelial neoplasm of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| High grade glandular intraepithelial neoplasia of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Benign gastrointestinal stromal neoplasm of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Benign mesenchymoma of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Leiomyoma of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Lipoma of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Structure of lymphatic vessel of large intestine | Is a | True | Structure of large intestine | Inferred relationship | Existential restriction modifier |  | 
| Benign tubular adenoma of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Hemorrhage of large intestine due to diverticulitis | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Aphthous ulceration of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Fistula of large intestine due to diverticulitis | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Spontaneous perforation of large intestine | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Stenosis of large intestine due to diverticulitis | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopy of large intestine using video capsule endoscopy system | Procedure site - Direct | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Crohn disease of small intestine and large intestine in remission | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Human epidermal growth factor 2 expressing colon and/or rectum malignant neoplasm | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopic examination of ileoanal pouch and biopsy of ileoanal pouch | Procedure site - Direct | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Syndromic congenital sodium diarrhea | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant tumor of anorectal junction | Finding site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 2 | 
| Image guided balloon dilation of colorectal stricture | Procedure site - Direct | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Laparoscopic reversal of Hartmann procedure | Procedure site | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 2 | 
| Colonoscopic decompression of large intestine | Procedure site - Direct | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Colonoscopic decompression of large intestine | Procedure site - Direct | True | Structure of large intestine | Inferred relationship | Existential restriction modifier | 2 | 
| Fibreoptic endoscopic insertion of expanding metal stent into colon | Procedure site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopic submucosal resection of lesion of lower bowel using fibreoptic sigmoidoscope | Procedure site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Image guided colorectal therapeutic operations | Procedure site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified image guided colorectal therapeutic operations | Procedure site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Image guided colorectal therapeutic operations NOS | Procedure site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Image guided balloon dilation of colorectal stricture | Procedure site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Image guided percutaneous occlusion of colorectal fistula | Procedure site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Image guided removal of colorectal stent | Procedure site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Image guided transluminal occlusion of colorectal fistula | Procedure site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Image guided insertion of colorectal stent | Procedure site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopic insertion of expanding metal stent into lower bowel using fibreoptic sigmoidoscope | Procedure site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopic insertion of expanding metal stent into sigmoid colon using rigid sigmoidoscope | Procedure site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopic submucosal resection of lesion of lower bowel using fibreoptic sigmoidoscope | Procedure site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Diagnostic endoscopic examination of ileoanal pouch and biopsy of ileoanal pouch using colonoscope | Procedure site - Direct | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Diagnostic endoscopic examination of ileoanal pouch and biopsy of ileoanal pouch using fibreoptic sigmoidoscope | Procedure site - Direct | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Diagnostic endoscopic examination of ileoanal pouch and biopsy of ileoanal pouch using rigid sigmoidoscope | Procedure site - Direct | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopic insertion of expanding metal stent into lower bowel using fibreoptic sigmoidoscope | Procedure site - Indirect | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopic insertion of expanding metal stent into sigmoid colon using rigid sigmoidoscope | Procedure site - Indirect | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Fibreoptic endoscopic insertion of expanding metal stent into colon | Procedure site - Indirect | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Image guided balloon dilation of colorectal stricture | Procedure site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Image guided percutaneous occlusion of colorectal fistula | Procedure site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Image guided removal of colorectal stent | Procedure site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Image guided transluminal occlusion of colorectal fistula | Procedure site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Image guided insertion of colorectal stent | Procedure site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Fibreoptic endoscopic mucosal resection of lesion of colon | Procedure site - Direct | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopic resection of lesion of lower bowel using fibreoptic sigmoidoscope NEC | Procedure site - Direct | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified image guided colorectal therapeutic operations | Procedure site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Image guided colorectal therapeutic operations NOS | Procedure site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopic mucosal resection of lesion of sigmoid colon using rigid sigmoidoscope | Procedure site - Direct | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Image guided colorectal therapeutic operations | Procedure site - Direct | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 2 | 
| Other specified image guided colorectal therapeutic operations | Procedure site - Direct | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 2 | 
| Image guided colorectal therapeutic operations NOS | Procedure site - Direct | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 2 | 
| [X]Other specified diseases of anus and rectum | Finding site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier |  | 
| [X]Congenital absence, atresia and stenosis of other parts of large intestine | Finding site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Congenital absence, atresia and stenosis of other parts of large intestine | Finding site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 2 | 
| [X]Congenital absence, atresia and stenosis of other parts of large intestine | Finding site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 3 | 
| [X]Congenital absence, atresia and stenosis of large intestine, part unspecified | Finding site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Congenital absence, atresia and stenosis of large intestine, part unspecified | Finding site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 2 | 
| [X]Congenital absence, atresia and stenosis of large intestine, part unspecified | Finding site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 3 | 
| Multiple injuries to colon or rectum without mention of open wound into cavity | Finding site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopic destruction of lesion of lower bowel using fiberoptic sigmoidoscope NEC (procedure) | Procedure site - Direct | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary malignant neoplasm of large intestine or rectum NOS | Finding site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified endoscopic extirpation of lesion of lower bowel using fiberoptic sigmoidoscope (procedure) | Procedure site - Direct | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Colon or rectum injury without mention of open wound into cavity, NOS | Finding site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Colon or rectum injury without mention of open wound into cavity | Finding site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of rectum or rectosigmoid junction NOS | Finding site | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopic extirpation of lesion of lower bowel using fiberoptic sigmoidoscope NOS (procedure) | Procedure site - Direct | False | Structure of large intestine | Inferred relationship | Existential restriction modifier | 1 |