My Brother Has Had 4 Gallbladder Operations Since March With

My brother has had 4 gallbladder operations since March with 3ct scans supposedly unheard of.he has 3stents out in to drain bile and a tube from the ribs through the liver to the intestines.this doctor did not give him any pain mess but he did say they made a mistake when doing the operations. He has a tube coming out of his stomach to drain and this doctor did not check around the tube which was severely infected and painful. His family doctor helped him. Please help me get some answers thankyou