Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Again seen is a small right hydro pneumothorax , minimally increased from the prior study . A left retrocardiac opacity is minimally increased and again likely reflects a combination of pleural effusion and adjacent atelectasis or consolidation . Evidence of pneumothorax .
    OUTPUT:
    
1 . Minimally increased left pleural effusion and left basal atelectasis and / or consolidation . 2 . Small right hydro pneumothorax , minimally increased in size .