Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are sternotomy wires and a prosthetic aortic valve . MILD INTERSTITIAL ABNORMALITY CAN BE REFLECTION OF PRIOR EPISODES OF PULMONARY EDEMA OR , IN THE APPROPRIATE CLINICAL CIRCUMSTANCES , CIGARETTE SMOKING OR ASTHMA . There is no overt pulmonary edema , consolidation , pleural effusion or pneumothorax . The cardiac and mediastinal contours are normal .
    OUTPUT:
    
NO EVIDENCE OF ACUTE CARDIOPULMONARY ABNORMALITY . PRIOR AVR AND MEDIAN STERNOTOMY .