Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation or pleural effusion . Elevation of the left hemidiaphragm is stable . Linear opacities at the right base are either atelectasis or scarring . The upper lung zones are clear . There is mild enlargement of the cardiac silhouette . Median sternotomy wires are present and intact . Again seen are calcified pleural plaques in the periphery of the left hemithorax .
    OUTPUT:
    
Atelectasis or scarring at the right base . No focal consolidation .