medical malpractice claim comparing what the treating doctor concluded medical malpractice lawsuit mistakes related to anesthesia incorrect diagnosis mistakes related to anesthesia mistakes treatment errors 1.5 million people in the United States per year legal article about malpractice issues legal article about malpractice issues medical malpractice lawsuits number of errors medical malpractice medical malpractice cases number of errors Medical malpractice cases Article Source 1 1.5 million people in the United States per year medical errors