Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is no focal consolidation , pleural effusion or pneumothorax . The left ventricle is enlarged . Right hemidiaphragmatic elevation is unchanged since ___ . Mediastinal silhouette and hilar contours are normal allowing for patient position . Median sternotomy wires are intact . The patient is status post mitral valve replacement . No mass or nodule is seen .
    OUTPUT:
    
No pneumonia , edema or effusion .