Washington Bob Dole has been hospitalized for an infection that developed after surgery to treat an aneurysm.
Dole, 77, was admitted Tuesday to Walter Reed Army Medical Center and was to be discharged Wednesday or Thursday, his office said.
The infection developed just under a 2-inch incision in his groin, where doctors at the Cleveland Clinic inserted a tube as part of an experimental procedure June 28.
The tube avoided the need for a major abdominal incision to repair the aneurysm, a weakening in the wall of a blood vessel. In the aorta, it can burst and kill nearly instantly.
The condition, called an abdominal aortic aneurysm, affects about 1.5 million older Americans each year.
A statement from Dole spokesman Doug MacKinnon said the infection was a known complication and was drained without problem.
The former Kansas senator and 1996 Republican presidential candidate expects to return to the Cleveland Clinic for a checkup in three weeks.