question: my husband has a sore on his leg that started off small until it was debrided by the doctor , it continues to get larger and larger , there is nothing wrong with his circulation , they did abi, and mapping and everything is good, the sore is now as large as his hand , he as been in the hospital for infection, he can not stand to sleep in the bed because of the pain , the dr does not know what he has , he is diabetic, what could it be?