doctor has the responsibility to take care of patients, I don't think it is the family's fault. Patient or family doesn't need to have a certain level of medical knowledges, it is the doctor's duty to check everything before the operation. If this is a common sense , then how come doctor doesn't have such common sense to check? I am sure they should have some kinds of checklist before a big operation like this. It is obviously medical neglect. I feel so sorry for the family. I wish the doctor has his karma.