Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes remain decreased . There is a small left sided pleural effusion with a probable tiny left apical pneumothorax . Linear atelectasis at the right lung base has improved . Streaky opacities in the left lung base are still present and likely reflect mild atelectasis . Postsurgical changes are seen in the left upper lobe . No new focal consolidation identified . The cardiomediastinal silhouette is stable .
    OUTPUT:
    
1 . Small left sided pleural effusion with a probable tiny left apical pneumothorax . 2 . Improved atelectasis of the right lower lobe with mild atelectasis of the left lower lobe .