Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . A right - sided IJ catheter terminates at the lower SVC . An endotracheal tube and orogastric tube are unchanged in position . There is interval decrease in size of a small right pleural effusion , and unchanged size of a small left pleural effusion . There is no pneumothorax . The heart is mildly enlarged .
    OUTPUT:
    
Improved small right pleural effusion . Unchanged small left pleural effusion .