Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Comparison is made to prior study from ___ . There is a left - sided central venous line with the distal lead tip in the right atrium . There is volume loss at the right base suggestive of atelectasis . There is also likely a component of pleural fluid . A stent is seen projecting over the right axilla . Atelectasis at the left base is also seen . There are no signs for overt pulmonary edema .
    OUTPUT:
    
Atelectasis at the right base .