Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left hydro pneumothorax appears slightly larger with increased apical and posterior component of the pneumothorax and increased layering pleural effusion . Atelectasis of the left upper and lower lobe has mildly increased compared to prior . There is minimal rightward shift of the trachea and cardiomediastinal silhouette , not significantly changed . Large hiatal hernia is mostly unchanged .
    OUTPUT:
    
Interval enlargement of left hydro pneumothorax .