title: Gastric leiomyosarcoma diagnosed on chest roentgenogram: importance of the stomach bubble.
mesh_terms: D000368:Aged; D006801:Humans; D007890:Leiomyosarcoma / Q000000981:diagnostic imaging*; D008297:Male; D013902:Radiography, Thoracic; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging*