Eleven years after a man's unexplained death in a Katy hospital sparked a lawsuit involving allegations of malpractice, deception and theft of a human heart, the bizarre case has made its way to the Texas Supreme Court, which will answer a simple yet macabre legal question: Does an autopsy fall under the definition of health care? If the high court says yes, critics say it would be the latest decision by conservative justices broadening a landmark state law that makes it tougher to sue doctors and hospitals for alleged wrongdoing.