Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two frontal images of the chest demonstrate interval improvement in the pneumothorax . The right side is completely resolved . There is a small amount of left - sided pneumothorax remaining . There is no pleural effusion . Cardiomediastinal silhouette is unremarkable . Low lung volumes are seen and likely are responsible for vascular crowding that is visualized .
    OUTPUT:
    
Resolved right pneumothorax . Persistent small left pneumothorax .