title: [A case of bladder cancer associated with gastric leiomyosarcoma with a review of Japanese literature on genitourinary multiple malignant neoplasms composed of epithelial and non-epithelial origins].
mesh_terms: D000368:Aged; D002295:Carcinoma, Transitional Cell / Q000473:pathology*; D006801:Humans; D007890:Leiomyosarcoma / Q000473:pathology*; D008297:Male; D009378:Neoplasms, Multiple Primary / Q000473:pathology*; D013274:Stomach Neoplasms / Q000473:pathology*; D001749:Urinary Bladder Neoplasms / Q000473:pathology*