Former President Bush, right, and former President Bill Clinton emerge from meetings at the State Department Tuesday, March 8, 2005 in Washington. Former President Bill Clinton will undergo a medical procedure this week to remove fluid and scar tissue from his left chest, six months after he underwent quadruple bypass surgery, his office said Tuesday. (AP Photo/Charles Dharapak)

Photo by: CHARLES DHARAPAK

Former President Bush, right, and former President Bill Clinton emerge from meetings at the State Department Tuesday, March 8, 2005 in Washington. Former President Bill Clinton will undergo a medical procedure this week to remove fluid and scar tissue from his left chest, six months after he underwent quadruple bypass surgery, his office said Tuesday. (AP Photo/Charles Dharapak)