Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . A prosthetic mitral valve is again demonstrated . The cardiac silhouette size is top normal but unchanged . Leftward shift of mediastinal structures persists . Pulmonary vascularity is not engorged . There are no areas of focal consolidation , pleural effusion or pneumothorax . There are no acute osseous abnormalities . Elevation of the right hemidiaphragm is unchanged .
    OUTPUT:
    
No acute cardiopulmonary abnormality .