Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were performed . Sternotomy wires and mediastinal clips are again noted . The lungs are hyperinflated . There is no pleural effusion or pneumothorax . There is no focal airspace consolidation to suggest pneumonia . The cardiac silhouette is slightly decreased in size from prior , perhaps from resolution of the previously suggested pericardial effusion . The mediastinal contours are unremarkable . The imaged upper abdomen is normal .
    OUTPUT:
    
No acute cardiopulmonary process .