Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs on ___ , the previously seen right - sided inferior lateral hydropneumothorax is smaller than previous , and again contains an air - fluid level . Again seen is a small left pleural effusion . A right lower chest tube is unchanged in position . There is no new focal consolidation . The cardiac and mediastinal silhouettes are unchanged .
    OUTPUT:
    
Decrease in size in right - sided hydro pneumothorax .