title: Crohn's disease and carcinoma of colon.
mesh_terms: D003110:Colonic Neoplasms / Q000209:etiology*; D003424:Crohn Disease / Q000150:complications*; D006801:Humans; D016403:Lymphoma, Large B-Cell, Diffuse / Q000209:etiology; D008297:Male; D008875:Middle Aged; D011230:Precancerous Conditions / Q000175:diagnosis