Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size remains mild to moderately enlarged , not substantially changed in the interval allowing for differences in technique . Mediastinal and hilar contours are normal . Subsegmental atelectasis or scarring is noted in the left mid lung field . No focal consolidation , pleural effusion or pneumothorax is present . Clips are noted within the anterior upper abdomen . There is no subdiaphragmatic free air .
    OUTPUT:
    
No acute cardiopulmonary abnormality .