Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright chest radiograph ___ at 09 : 23 is submitted .
    OUTPUT:
    
Right subclavian PICC line remains unchanged in position . There are slightly worsening bilateral layering pleural effusions with bibasilar opacities likely reflecting compressive lower lobe atelectasis , although pneumonia can not be excluded . Slight interval improvement in mild interstitial edema . Due to marked patient rotation , assessment of the cardiac and mediastinal contours is not possible on this study . No pneumothorax .