Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Multiple median sternotomy wires and mediastinal surgical clips , as well as cholecystectomy clips overlying the right upper quadrant , are again identified . The aortic arch is calcified . There is stable enlargement of the cardiac silhouette . The bilateral hila are within normal limits . Diffuse interstitial prominence is unchanged from prior exams . There is no focal confluent lung consolidation . As on prior radiograph , blunting of the bilateral lateral costophrenic angles suggests trace bilateral pleural effusions . There is no pneumothorax . There is moderate thoracic spine levoscoliosis .
    OUTPUT:
    
Cardiomegaly and diffuse interstitial prominence , unchanged from multiple prior exams . No focal lung consolidation . Possible bilateral trace pleural effusions , also unchanged .