Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube tip 4 .8 cm above the carina . Right IJ central line appears slightly more distal overlying the right atrium . There are dense diffuse bilateral airspace and question interstitial opacities throughout both lungs allowing for technical differences , these appear more pronounced and confluent compared with ___ . There is new obscuration of the lateral right lung base and right costophrenic angle . The possibility of a small right effusion can not be excluded .
    OUTPUT:
    
Interval worsening of diffuse opacity seen in both lungs . Possible new small right effusion . While this could reflect pulmonary edema , the possibility of infectious infiltrates would be difficult to exclude . Right IJ central line overlies right atrium , slightly more distal than on the prior film .