Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are low in volume , limiting assessment . Moderate right and small left pleural effusions and accompanying atelectasis appear increased . Additionally , retrocardiac opacity is likely due to hiatal hernia and accompanying atelectasis . Cardiac size is top normal with tortuous aorta .
    OUTPUT:
    
Increased right moderate and unchanged left small pleural effusions with accompanying atelectasis .