Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube terminates 4 cm above the carina . Radiodense tip of the balloon pump terminates near the level of aortic arch . Swan - Ganz catheter terminates in the right pulmonary artery . There are opacities in the left lung and right upper lung , which probably represent asymmetric pulmonary edema . There is no pneumothorax .
    OUTPUT:
    
Asymmetric opacities in the lung is probably moderate pulmonary edema , however underlying pulmonary contusion , pneumonia , or aspiration is also possible in correct clinical setting .