Anus or stoma?
D000368:Aged; D003093:Colitis, Ulcerative / Q000601:surgery; D003424:Crohn Disease / Q000601:surgery; D005069:Evaluation Studies as Topic; D006801:Humans; D007081:Ileostomy; D007082:Ileum / Q000601:surgery; D011183:Postoperative Complications; D012007:Rectum / Q000601:surgery*