title: [Intra-abdominal hemangiopericytomas].
mesh_terms: D000008:Abdominal Neoplasms; D005260:Female; D006393:Hemangiopericytoma; D006801:Humans; D008113:Liver Neoplasms; D008297:Male; D008875:Middle Aged; D012186:Retroperitoneal Neoplasms
vernacular_title: Gli emangiopericitomi intraaddominali