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Chronic bronchitis, dog, radiograph
chronic-bronchitis-dog-radiograph-kittleson-sized
Chronic bronchitis, dog, radiograph

    This radiograph from a chronically coughing dog shows a caudodorsal pulmonary infiltrate due primarily to expiration, technique, and age. Note that the left atrium is not enlarged.

Courtesy of Dr. Mark D. Kittleson.