Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are grossly clear without focal consolidation , large effusion or overt pulmonary edema . The cardiac silhouette is enlarged but similar compared to prior . Median sternotomy wires and mediastinal clips are again noted . Known compression deformities in the spine are not clearly delineated on this exam .
    OUTPUT:
    
No acute cardiopulmonary process .