[Ulcerative colitis complicated by rectal carcinoma].
D000230:Adenocarcinoma / Q000209:etiology*; D000368:Aged; D003093:Colitis, Ulcerative / Q000150:complications*; D006801:Humans; D008297:Male; D012004:Rectal Neoplasms / Q000209:etiology*
Colitis ulcerosa complicada con carcinoma de recto.