[Statistical observations on rectal tumors in our department].
D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D009369:Neoplasms / Q000235:genetics; D012004:Rectal Neoplasms / Q000453:epidemiology* / Q000401:mortality / Q000601:surgery; D012737:Sex Factors; D013997:Time Factors