[Cancer of the rectum].
D006801:Humans; D009369:Neoplasms; D010406:Penicillins / Q000494:pharmacology*; D012004:Rectal Neoplasms; D012007:Rectum
D010406:Penicillins
PENICILLIN/effects; RECTUM/neoplasms
Cáncer del recto.