Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to chest radiographs from a few hours earlier , pneumothorax component of known right hydropneumothorax has increased . The size of the right pleural effusion is stable , allowing for differences in technique and positioning . Otherwise , no significant changes .
    OUTPUT:
    
Increased pneumothorax component in the setting of known moderate right hydropneumothorax . No other relevant changes .