Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ET tube and right IJ line are unchanged . The left pleural effusion is still moderate in size , but is slightly smaller than on the prior study . There continues to be dense opacity in the perihilar regions bilaterally in the retrocardiac region with infiltrate / volume loss in both lower lungs . There is pulmonary vascular redistribution .
    OUTPUT:
    
Slight decrease in left effusions with continued CHF . An underlying infectious infiltrate can not be excluded .