Undifferentiated pleomorphic sarcoma (UPS) and myxofibrosarcoma (MFS), previously known as malignant fibrous histiocytoma (MFH), are among the most prevalent adult soft tissue sarcomas. UPS lacks an identifying line of differentiation and pleomorphic nuclei. UPS is a high-grade soft tissue sarcoma with a dismal prognosis that typically affects soft tissue in the elderly around 60 years old and has no gender predilection. UPS has no characteristic clinical features that distinguish it from other …