Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right lung is clear . There is linear atelectasis in the lingula . No focal consolidation is seen . The cardiomediastinal silhouette and hilar contours are within normal limits . Calcifications of the aortic arch is again noted . There is no pleural effusion or pneumothorax . Degenerative changes are seen at the bilateral acromioclavicular joints .
    OUTPUT:
    
Linear atelectasis in the lingula . No focal consolidation .