Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are increased interstitial markings seen throughout the lungs when compared to prior . Small bilateral effusions are seen as well , right greater than left . Cardiac silhouette is enlarged but stable in configuration . Median sternotomy wires and mediastinal clips are also noted . Degenerative changes are seen at the left shoulder , potentially post-traumatic .
    OUTPUT:
    
Pulmonary vascular congestion and small bilateral effusions .