title: Clinicopathological conference: rapidly expanding retroperitoneal mass.
mesh_terms: D000328:Adult; D000970:Antineoplastic Agents / Q000008:administration & dosage; D003937:Diagnosis, Differential; D004359:Drug Therapy, Combination; D004407:Dysgerminoma / Q000000981:diagnostic imaging / Q000188:drug therapy / Q000473:pathology*; D006470:Hemorrhage / Q000175:diagnosis; D006801:Humans; D008297:Male; D009336:Necrosis; D010181:Pancreatic Cyst / Q000000981:diagnostic imaging; D012185:Retroperitoneal Fibrosis / Q000175:diagnosis; D012186:Retroperitoneal Neoplasms / Q000188:drug therapy / Q000473:pathology*; D012187:Retroperitoneal Space; D014057:Tomography, X-Ray Computed
chemical_list: D000970:Antineoplastic Agents