title: [2 cases of primary multiple tumors of the digestive tract].
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000000981:diagnostic imaging; D011859:Radiography; D012004:Rectal Neoplasms / Q000150:complications* / Q000000981:diagnostic imaging; D012811:Sigmoid Neoplasms / Q000150:complications* / Q000000981:diagnostic imaging; D013274:Stomach Neoplasms / Q000150:complications* / Q000000981:diagnostic imaging
vernacular_title: Dva sluchaia pervichno mnozhestvennykh opukholeĭ pishchevaritel'nogo trakta