Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post aortic valve replacement surgery . Heart size is mildly enlarged , unchanged . Aortic knob calcifications are re- demonstrated . The mediastinal contours are unremarkable . There is mild interstitial pulmonary edema , with a new small right pleural effusion . Trace left pleural effusion is also noted . Right basilar compressive atelectasis is demonstrated . Right anterior chest wall clips are again seen . There are mild degenerative changes noted in the thoracic spine with unchanged mild loss of height anteriorly of T11 .
    OUTPUT:
    
Mild interstitial pulmonary edema with small bilateral pleural effusions , right greater than left .