Had Radical Hysterectomy For Uterine Sarcoma, Developed Hematoma In Surgical Bed, Lower Abdomen. Risks ?

I was diagnosed with uterine sarcoma in mid May. After 28 radiation tx, had a radical hysterectomy with lymph node dissection (clear of remaining cancer or mets) in mid Aug. Was on coumadin, post-op for right leg dvt. After drain removal and staple removal at end of Aug, developed progressive pain to the point of dry heaving for 1 week. Went to ER, no fever, INR 5.9 (reversed with plasma and vitamin k), transfusions of hemoglobin of 6. CT found LARGE hematoma in surgical bed and smaller oneon left lower abdomen. Symtoms onclude intractable pain, partial compression of left ureter and 'dead' left leg depending on positioning. Docs at my community hospital saying 'sit stight' and wait for resolution (weeks to months). Was told by a nurse to seek interventional radiology opinion because of symptoms and risk of infection. Any advice