>> i didn't understand most of it, but some of it like i would have to have surgery and then how i would have to be taken care of afterward i understood. >> but there was a problem. valerie says the university of chicago doctors told her scar tissue from the weinberger sinus surgery prevented them from removing more than 5% to 10% of the tumor. >> her neurosurgeon, neurologist and endocrinologist and all said, why? they said, a 9-year-old doesn't have polyps that need to be removed. >> in time, more than 350 of weinberger's former patients would join in lawsuits against him while he was lounging in the cafes and casinos of europe. almost all of them accused him of the same things, misdiagnosing real problems and performing unnecessary surgeries. >> mark weinberger ran a surgery mill. he saw up to 100 patients or more a day. he did 100 or 150 surgeries a