title: Rectal mass of prostatic origin: a possible trap for general surgeons.
mesh_terms: D000230:Adenocarcinoma / Q000175:diagnosis / Q000473:pathology / Q000556:secondary*; D000368:Aged; D000369:Aged, 80 and over; D006801:Humans; D008297:Male; D011471:Prostatic Neoplasms / Q000473:pathology*; D012004:Rectal Neoplasms / Q000175:diagnosis / Q000556:secondary*