Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Leftward shift of the mediastinum is similar to prior . Postsurgical changes in the left upper lobe and elevation of left hemidiaphragm are similar to prior exam . Subcutaneous emphysema lateral to the left chest and abdomen as well as in the left neck is improved . Retrocardiac opacities are resolved and right lower lobe opacities are improved . The pulmonary vasculature is normal . No focal consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
1 . Left lower lobe atelectasis is resolved . Right lower lobe atelectasis is improved . 2 . Subcutaneous emphysema is improved .