title: [Primary multiple malignant tumors of the digestive tract].
mesh_terms: D000368:Aged; D004067:Digestive System Neoplasms / Q000175:diagnosis* / Q000473:pathology; D005260:Female; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis / Q000473:pathology; D006801:Humans; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000175:diagnosis* / Q000473:pathology; D013997:Time Factors
vernacular_title: Pervichno-mnozhestvennye zlokachestvennye opukholi pishchevaritel'-nogo trakta.