Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Small right apical pneumothorax is unchanged since ___ . Probable small right pleural effusion is also similar in appearance . Right mid chest drain and right lung base chest tubes are present , unchanged in position . Both lungs are clear , no abnormal opacities . Heart size , mediastinal and hilar contours are normal . No pneumothorax or effusion on the left side .
    OUTPUT:
    
Small apical pneumothorax , unchanged since ___ . Right chest drain tubes are in satisfactory position .