title: [A case of huge retroperitoneal chondrosarcoma].
mesh_terms: D000368:Aged; D002813:Chondrosarcoma / Q000175:diagnosis* / Q000473:pathology; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis* / Q000473:pathology