Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a large air - fluid level in the left hemi thorax with near complete white out of the lung . Findings are concerning for left - sided hydropneumothorax . The right lung is well expanded and clear . There is no right pleural effusion or pneumothorax . The cardiomediastinal silhouette displaced to the right secondary to the hydropneumothorax .
    OUTPUT:
    
Left - sided hydropneumothorax