title: [Case of primary pulmonary leiomyosarcoma with the study of 57 cases in Japan].
mesh_terms: D001707:Biopsy, Needle; D006801:Humans; D007890:Leiomyosarcoma / Q000473:pathology*; D008168:Lung / Q000473:pathology; D008175:Lung Neoplasms / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D011379:Prognosis