Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior day , a left internal jugular central venous catheter again terminates at the confluence of the brachiocephalic veins . An opacity projecting over the right upper hemithorax may represent an artifact , noting that it was not present on very recent prior radigraphs from ___ . There are moderate layering pleural effusions and basilar opacities which are not specific , although most often would be associated with atelectasis . There is no pneumothorax . Findings are similar to the prior examination , allowing for differences in technique .
    OUTPUT:
    
Persistent basilar opacities and pleural effusions . Differential considerations include aspiration , although findings are not definitely changed , versus atelectasis or pneumonia .