A retroperitoneal primary undifferentiated pleomorphic sarcoma
A 52-year-old male had pain in the right back and right hypochondrium, and an abdominal CT scan revealed a 49-mm tumor in the right upper perirenal space.Additional MRI and PET-CT suggested Computer Cover Down that the tumor may be a primary adrenal carcinoma and could invade the Straws liver and diaphragmatic leg.The tumor was completely removed b