[Multiple primary tumors of the gastrointestinal tract].
D005260:Female; D005770:Gastrointestinal Neoplasms / Q000473:pathology*; D006801:Humans; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000473:pathology*
Pervichno-mnozhestvennye opukholi zheludochno-kishechnogo trakta.