[2 cases of stage sigmoid carcinoma in early stage and a case of benign elevated lesion].
D000230:Adenocarcinoma / Q000000981:diagnostic imaging*; D000236:Adenoma / Q000000981:diagnostic imaging*; D000368:Aged; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D012811:Sigmoid Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology