[Clinico-anatomical examination of the lower recto-anal region with a model specimen "sugatazukuri"--with special reference to the characteristics of upper anal cancer].
D000368:Aged; D001003:Anal Canal / Q000473:pathology*; D001005:Anus Neoplasms / Q000473:pathology* / Q000601:surgery; D005260:Female; D006652:Histological Techniques; D006801:Humans; D008297:Male; D008875:Middle Aged; D008953:Models, Anatomic; D009364:Neoplasm Recurrence, Local; D012007:Rectum / Q000473:pathology*