Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to chest radiographs from ___ , there is been interval removal of a right central venous catheter and subsequent placement of a double - lumen right central venous catheter . Left pleural effusion is unchanged . No pleural effusion on the right . Left - sided pulmonary edema appears to have resolved , though may be a function of positioning . The right lung remains clear . No focal consolidation . No pneumothorax . Double - lumen hemodialysis catheter tip terminates in the right atrium .
    OUTPUT:
    
1 . Unchanged moderate left pleural effusion . 2 . Resolution of left - sided pulmonary edema , which may reflect changes in patient positioning . 3 . Interval placement of right double - lumen hemodialysis catheter with tip terminating in the right atrium .