title: [Case of so-called collision tumor of the stomach].
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology; D000328:Adult; D005260:Female; D005773:Gastroscopy; D006801:Humans; D007890:Leiomyosarcoma / Q000473:pathology; D009378:Neoplasms, Multiple Primary; D013274:Stomach Neoplasms / Q000473:pathology