"Solitary" nonspecific ulcers of the colon.
D000328:Adult; D000367:Age Factors; D000368:Aged; D003108:Colonic Diseases / Q000175:diagnosis / Q000453:epidemiology / Q000473:pathology* / Q000601:surgery; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D014456:Ulcer