Umbilical hernia mesh repair. Swelling, hard lump, pain, feeling of fullness and weight loss. What can I do?

Ten months post op from umbilical hernia mesh repair some swelling around belly button down to the pubic area with a hard lump on the incision line and the center of belly button with alot of gripping sharp and twisting pain. felling of fullness and weight loss.Ct scan shows bilateral ingunial hernia on pelvis without repair yet. Pls help me resolve this problem.