question: MY HUSBAND HAD AN ILIAC STENT PUT IN THAT WAS PERFORATED BY HARD CALCIUM. HE LOST ABOUT 2 TO 3 PINTS OF BLOOD IN BODY CAVITY. THE DOCTOR WENT BACK IN AND INSERTED MESH TO STOP THE BLEED. HOSPITAL STAY FOR 4 DAYS. HE IS HOME NOW BUT EXPERIENCING A LOT OF BACK PAIN. BLOOD PRESSURE IS OKAY. WHAT IS CAUSING THE BACK PAIN YYYY@YYYY HOW LONG WILL IT TAKE FOR THE BODY TO ABSORB THE BLOOD IN HIS ABDOMEN?