Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Redemonstration of complete opacification of the left hemithorax , unchanged in appearance since prior examination , again seen with air bronchograms and an air - filled cystic structure seen within the left lower lobe . There is stable leftward shift of the mediastinal structures . The right lung remains grossly clear and without focal consolidation , pleural effusion , or pulmonary edema . Surgical clips are seen within the right axilla and right upper quadrant .
    OUTPUT:
    
Unchanged opacification of the left hemithorax with leftward shift of the mediastinal structures . No evidence of an acute pulmonary process is seen within the right lung field . Findings were conveyed by Dr . ___ to Dr . ___ ___ telephone at 13 : 46 on ___ , at the time of discovery .