Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval removal of the left chest tube . A trace left apical pneumothorax is suspected . Increased opacification of the left lung base may reflect a a pleural effusion and subjacent atelectasis . A new ill - defined opacity in the right lower lung zone may reflect atelectasis versus developing pneumonia . The appearance of the cardiomediastinal silhouette is unchanged . Subcutaneous emphysema over the left lateral chest wall
    OUTPUT:
    
Suspected trace left apical pneumothorax . Increasing left basilar opacities likely reflect a pleural effusion with subjacent atelectasis . New ill - defined consolidation in the right lower lung zone may reflect atelectasis or developing pneumonia .