Retroperitoneal liposarcoma in a 34-year-old woman. A random finding , the patient came to the CT scan of the OGC with symptoms of the COVID 19 metosase, during which the doctor drew attention to the volumetric formation of the retroperitoneal space on the left. The case was confirmed histologically, the patient underwent surgical treatment, during which the tumor, part of the left kidney and the left adrenal gland were completely removed