Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post esophagectomy and gastric pull - through procedure with a stent redemonstrated within the neoesophagus . Cardiac silhouette size is normal . The mediastinal contour is similar . There is persistent opacification of the right lung base with a small right pleural effusion , not significantly changed in size . Left lung is clear . There is no pneumothorax . No pulmonary vascular congestion is present .
    OUTPUT:
    
There is continued opacification of the right lung base , possibly reflecting a combination of pleural effusion with atelectasis , though infection can not be excluded . Small right pleural effusion is unchanged .