title: Primary pulmonary hemangiopericytoma. Report of a case.
mesh_terms: D005260:Female; D006393:Hemangiopericytoma / Q000473:pathology / Q000601:surgery; D006801:Humans; D008168:Lung / Q000473:pathology; D008175:Lung Neoplasms / Q000473:pathology / Q000601:surgery; D008875:Middle Aged