Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post left thoracentesis with interval decrease in small left pleural effusion . There is no pneumothorax . A small right pleural effusion appears stable . Cardiac at the upper limits of normal . The upper lung fields remain clear .
    OUTPUT:
    
Status post left thoracentesis with an interval decrease in left pleural effusion . No evidence of pneumothorax .