Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral new densities are seen in lower lung . Most of it is explained by small pleural effusion and atelectasis , but a superimposed infection can not be excluded . There is no pulmonary edema . Left pectoral pacemaker is unchanged . Right hemodialysis catheter is in adequate position . There is no pneumothorax .
    OUTPUT:
    
New bibasilar opacities are seen and mostly explained by small pleural effusion and atelectasis . A superimposed infection can not be excluded in this patient and could be considered in appropriate clinical setting . Dr . ___ has been verbally contacted for the results .