Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube ends 3 .7 cm from the carina . Right IJ central venous line ends at the superior cavoatrial junction . Spinal hardware is seen . The enteric ends in the stomach . Right lower lung opacity is slightly increased . Diffuse pulmonary edema is decreased .
    OUTPUT:
    
Slight increase in right lower lung opacity may represent atelectasis or pneumonia and decrease in mild pulmonary edema .