Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the previous radiograph from 8 : 13 hours , the only relevant changes placement of a new left subclavian central venous catheter , which terminates at the superior cavoatrial junction . Remaining support devices including a right IJ central venous catheter , feeding tube , and endotracheal tube are unchanged in position . A small left apical pneumothorax is stable . Moderate pulmonary edema , retrocardiac atelectasis , and small left pleural effusion are unchanged .
    OUTPUT:
    
New left subclavian central venous catheter terminates at the superior cavoatrial junction . No other significant interval change .