[A case of primary retroperitoneal chorio-epithelioma].
D001859:Bone Neoplasms; D002277:Carcinoma; D002813:Chondrosarcoma; D006801:Humans; D012186:Retroperitoneal Neoplasms; D012187:Retroperitoneal Space
CHONDROSARCOMA; RETROPERITONEAL NEOPLASMS