Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , mild pulmonary congestion is improved . Some opacities persist in the right lower lung base since ___ and may represent infection . Mild bibasilar atelectasis is improved . The heart size is unchanged . The ETT , NG tube , and right IJ central venous line are in the appropriate position . No pneumothorax .
    OUTPUT:
    
1 . Improvement of mild pulmonary congestion since ___ 2 . Right lower lung opacities persist and are concerning for pneumonia .