title: Pyrexia of unknown origin and colorectal carcinoma.
mesh_terms: D000368:Aged; D002277:Carcinoma / Q000150:complications; D003110:Colonic Neoplasms / Q000150:complications*; D005260:Female; D005335:Fever of Unknown Origin / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000150:complications*