Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung fields slightly lower lung volumes there is no change in the appearance of the lungs where there are rounded nodular and confluent airspace opacities bilaterally . Left pleural effusion is unchanged . Right internal jugular central venous catheter has its tip in the right atrium , as before . Heart size and mediastinal contour are unchanged .
    OUTPUT:
    
No change in the diffuse bilateral confluent airspace and nodular opacities . No new abnormalities .