Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided PICC terminates at the mid SVC . The cardiac and mediastinal contours are unchanged . Since ___18 a .m . there has been placement of a right Pleurx catheter , resulting and near resolution of the right pleural effusion . A tiny right basilar pneumothorax is seen . Small left pleural effusion is unchanged . A dense left retrocardiac opacity with air bronchograms is unchanged , and remains concerning for a small consolidation or worsening atelectasis .
    OUTPUT:
    
1 . Placement of a right Pleurx catheter with interval decrease in size of a large right pleural effusion . Tiny right basilar pneumothorax . 2 . Unchanged appearance of left retrocardiac opacity , which may represent severe atelectasis or consolidation . 3 . Unchanged small left pleural effusion .