cases, soft tissue Week 628: Case 2 April 26, 2023 pathadmin 1. Presented by Dr. Ashley Cimino-Matthews and prepared by Dr. Jason KernRetroperitoneal mass in a 50 year old femaleDedifferentiated liposarcomaLeiomyosarcomaMelanomaPleomorphic liposarcomaPleomorphic undifferentiated sarcoma 1. Presented by Dr. Ashley Cimino-Matthews and prepared by Dr. Jason KernRetroperitoneal mass in a 50 year old female