title: [Primary plasmacytoma of the gastrointestinal tract].
mesh_terms: D006801:Humans; D007414:Intestinal Neoplasms / Q000473:pathology*; D007421:Intestine, Small; D010954:Plasmacytoma / Q000473:pathology*; D013274:Stomach Neoplasms / Q000473:pathology*