Navy doctor/Maryland cardiologist listens to a patient's lungs in Ecuador

ROCAFUERTE, Ecuador - (May 16, 2011) Lt. Cmdr. Brad Serwer, a cardiologist from Olney, Md. listens to a patient's lungs at the Escuela Don Bosco medical site in Rocafuerte, Ecuador during Continuing Promise 2011 (CP11). Serwer is part of CP11, a five-month humanitarian assistance mission to the Caribbean, Central and South America. (U.S. Air Force photo by Senior Airman Kasey Close/RELEASED) 110516-F-CF975-075 -

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