Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET and NG tube have been removed . Right IJ dual lumen catheter is unchanged . Left subclavian PICC line appears unchanged , with tip over right atrium . No pneumothorax detected . The cardiomediastinal silhouette is probably unchanged . There has been interval improvement in the diffuse bilateral opacities , likely reflecting interval improvement in CHF findings . Increased retrocardiac density has also improved . Mild residual increased opacity remains present . No gross effusion identified .
    OUTPUT:
    
Interval removal of ET and NG tube and interval improvement in bilateral opacities . Mild residual opacity is seen bilaterally .