“…Effective management of undifferentiated pleomorphic sarcoma in the buttock region necessitates a multidisciplinary approach involving surgical oncologists, radiation oncologists, and medical oncologists [ 13 , 14 ]. Wide local excision with negative margins, accompanied by postoperative radiation therapy, is the mainstay of treatment, and also caring of secondary ulcers as well [ 15 , 16 ]. The proximity of vital structures and the requirement for extensive resections to achieve negative margins often complicate the surgical management of buttock UPS.…”