Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two views of the chest demonstrate a small left pleural effusion , with perhaps some left basilar atelectasis . The pulmonary vasculature is normal in appearance . The cardiac silhouette is normal , the mediastinal contours are normal . Surgical clips are again noted in the gallbladder fossa .
    OUTPUT:
    
Small left pleural effusion and possible atelectasis , though infection is not excluded . Findings were discussed with Dr . ___ at 10 :15 p .m .