[Mass screening and periodic examination of rectal cancer--diagnosis of anorectal lesions in the short-term multiphasic health screening].
D001004:Anus Diseases / Q000175:diagnosis*; D012809:Colon, Sigmoid / Q000000981:diagnostic imaging; D004241:Diverticulum, Colon / Q000000981:diagnostic imaging; D006801:Humans; D007420:Intestine, Large / Q000000981:diagnostic imaging; D008403:Mass Screening; D009098:Multiphasic Screening; D011859:Radiography; D012002:Rectal Diseases / Q000175:diagnosis*; D012004:Rectal Neoplasms / Q000175:diagnosis*; D012811:Sigmoid Neoplasms / Q000000981:diagnostic imaging