Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the immediate prior study , the left apical pigtail chest tube is in unchanged position . Comparison is limited by significantly different patient positioning , allowing for this , mild pulmonary edema and possible small to moderate left pleural effusion are unchanged . There is no focal consolidation or pneumothorax . A right subclavian central venous catheter ends at the cavoatrial junction , and a left - sided PICC line ends at the confluence of the left brachiocephalic vein and the SVC .
    OUTPUT:
    
1 . Unchanged left apical chest tube placement . 2 . Unchanged mild pulmonary edema .