[Rectal lymphosarcoma].
D001706:Biopsy; D005260:Female; D006801:Humans; D008228:Lymphoma, Non-Hodgkin / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000473:pathology*
Linfosarcoma de recto.