[Cancer of the rectum and sigmoid; analysis of 26 cases].
D012809:Colon, Sigmoid; D003110:Colonic Neoplasms; D006801:Humans; D009369:Neoplasms; D012004:Rectal Neoplasms; D012007:Rectum
COLON/neoplasms; RECTUM/neoplasms
Cáncer del recto y sigmoides; analisis de 26 casos.