Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior study there is no significant change . The ET tube , NG tube and right internal jugular lines are in unchanged position . A right PICC ends deep in the right atrium . Stable moderate cardiomegaly in a configuration which could suggest a pericardial effusion . Substantial retrocardiac atelectasis and small bilateral pleural effusions are unchanged . Mild fluid overload persists .
    OUTPUT:
    
1 . Right PICC ends deep in the right atrium and could be pulled back by approximately 4 cm to be in the lower SVC 2 . Stable moderate enlargement of the cardiac silhouette with a configuration that could suggest pericardial effusion . Recommend correlation with echocardiogram if not recently performed .