[Villous adenoma of the rectum. (Report of a case with unusual characteristics].
D000236:Adenoma / Q000175:diagnosis*; D000328:Adult; D006801:Humans; D008297:Male; D012004:Rectal Neoplasms / Q000175:diagnosis*
Adenoma veloso de recto. (Informe de un case de caracteristicas infrecuentes.