Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Median sternotomy wires are intact . Prosthetic aortic valve appears intact . Borderline cardiomegaly is stable . Mediastinal and hilar contours are normal . Increased , small right pleural effusion with adjacent atelectasis . Stable , small left pleural effusion with adjacent atelectasis . Stable , tiny left apical pneumothorax . The right apex is incompletely visualized .
    OUTPUT:
    
1 . Small , bilateral pleural effusions , increased on the right and unchanged on the left . 2 . Stable , tiny left apical pneumothorax .