Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Sternotomy wires and aortic valve are noted . Clips are seen within the upper abdomen . No pleural effusion , pneumothorax or focal airspace consolidation . Cardiac silhouette remains mildly enlarged . The pulmonary vasculature is normal . The hilar structures and mediastinum are normal .
    OUTPUT:
    
No acute cardiopulmonary process .