** FILE ** In this July 18, 1985 file photo. President Ronald Reagan gives an "OK" sign from the window of his hospital room at the Naval Medical Center in Bethesda, Md. after surgery to remove a cancerous polyp in his intestines. Woodrow Wilson's secret stroke. Grover Cleveland's secret cancer surgery. Franklin D. Roosevelt's secretly worsening heart disease at the world-changing Yalta Conference. Notice a lot of secrets? (AP Photo/Dennis Cook, File)