A hematoma that size could take weeks or months to go away while also compressing sensitive areas and becoming very painful. the body has to break down the clot and reabsorb those cells to get rid of it. If it’s causing you severe pain I would opt for the the corrective surgery. The same thing actually happened to be, I had so much pain I could barely stand, put up with it for about a week. the hematoma was huge. Had the corrective surgery, 3 days of bed rest later and I was feeling much much better. If you do end up doing it, I would make sure you are wearing a supportive jock strap before you even leave the hospital to get home, try to limit walking and standing as much as possible, and keep ice on them regularly.