Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes accentuate the cardiac silhouette which remains mildly enlarged . Elevation of the left hemidiaphragm is unchanged with associated left base atelectasis . Cardiomediastinal silhouette and hilar contours are otherwise unchanged . Lungs are grossly clear . No large pleural effusion or pneumothorax . Chronic deformities of bilateral shoulders .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Stable elevation of the left hemidiaphragm with associated left base atelectasis .