Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right pigtail catheter is in place with no significant change in the right pleural effusion , as compared with the most recent radiograph from ___ . Right basilar atelectasis , left heart border , and left lung base appearance are unchanged . No pneumothorax is identified .
    OUTPUT:
    
No significant change since the prior radiograph from ___ . Right chest tube is unchanged in position .