Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate right - sided effusion has increased since the prior . Small apical pneumothorax on the left also slightly increased . No pulmonary edema . The right lung is clear . Moderate hiatal hernia . Mild to moderate cardiomegaly .
    OUTPUT:
    
Interval increase in left - sided hydropneumothorax .