title: [A case study of primary pulmonary hemangiopericytoma].
mesh_terms: D000368:Aged; D005260:Female; D006393:Hemangiopericytoma / Q000000981:diagnostic imaging* / Q000601:surgery; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging* / Q000601:surgery; D011859:Radiography