<br /> U.S. Senator John McCain, the maverick Republican who survived a Vietnam War prison camp...<br />is discontinuing medical treatment for an aggressive form of brain cancer, his family said.<br />They released a statement on Friday, a year after he announced his diagnosis.<br />“John has surpassed expectations for his survival,” the family said, reports Reuters.<br />The progression and his age, 81, have led McCain to stop treating the “aggressive glioblastoma.” <br />
