Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube is 6 .5 cm above the carina . The a dual lead pacemaker is again visualized . Sternal wires are again seen . The heart is upper limits normal in size . There is hazy alveolar infiltrate most marked in the right lower lobe that is increased compared to prior . It is unclear if this is asymmetric pulmonary edema or an infectious infiltrate . There is a left - sided chest tube . NG tube tip is off the film , at least in the stomach .
    OUTPUT:
    
Increased right lower lobe infiltrate .