title: [Primary multiple (metachronous) malignant neoplasms of the digestive tract].
mesh_terms: D000328:Adult; D002276:Carcinoid Tumor / Q000175:diagnosis; D003528:Carcinoma, Adenoid Cystic / Q000175:diagnosis; D005260:Female; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis*; D006801:Humans; D007414:Intestinal Neoplasms / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000175:diagnosis*; D013997:Time Factors