Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , decreased when compared to the prior study with associated bilateral basilar atelectasis . Superimposed infection can not be excluded . Mild cardiomegaly is unchanged compared to the prior study . A left - sided PICC terminates near the cavoatrial junction . Probable bilateral pleural effusions .
    OUTPUT:
    
Volume loss with bilateral lower lobe atelectasis , progressed when compared to the prior study . Superimposed infection can not be excluded .