Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . A right PICC line terminates at the cavoatrial junction . A right central venous line ends in the right atrium . A right lung base opacity is improved . Bibasilar opacities likely represent atelectatic change , however in the appropriate clinical setting could also represent pneumonia . No pneumothorax . Bilateral , pleural effusions are unchanged . Hilar and cardiomediastinal contours are normal . No rib fractures are definitively visualized .
    OUTPUT:
    
1 . Bibasilar opacities , likely represent atelectatic change , however in the appropriate clinical setting could also represent pneumonia . 2 . Bilateral , small pleural effusions are unchanged from ___ . 3 . A right lung base opacity is greatly improved from ___ .