After a leg removal and a skin graft, a hematoma appeared in the good leg, was taken off coumadin and given plasma in order for another skin graft to be done where the skin was taken from the good leg and applied to the stump. Following some healing, now there are darkened areas on both hips and the inner thigh of the good leg, with small lesions and burning searing excrutiating pain. What could this be? A clotting disorder? Cancer?