Synchronous liver and spleen undifferentiated (embryonal) sarcoma in an elderly patient: A case report

Undifferentiated (embryonal) sarcoma of the liver (UESL) is a rare tumor arising from mesenchymal cells. This tumor, which is generally encountered in children and adolescents, is rarely seen in elderly patients. Early diagnosis and treatment have a positive effect on survival.Here, a 77-year-old patient with UESL had giant masses in his liver and spleen, underwent liver resection and splenectomy, refused adjuvant chemotherapy, and started chemotherapy 18 months after local recurrence and distant metastasis were detected, is presented in the light of literature data. Our patient is the first case in the literature diagnosed with synchronous UESL in the liver and spleen.