Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Enlargement of the cardiac silhouette is unchanged . The mediastinal and hilar contours are also stable with prominence of the main pulmonary artery . Perihilar hazy opacification is once again more pronounced on the right similar to what it was on prior study , such as on the ___ study , which likely reflects asymmetric pulmonary edema , although an infectious process in the correct clinical setting would also certainly be possible . There may be a small left pleural effusion . There is no pneumothorax .
    OUTPUT:
    
Increased right perihilar opacities concerning for asymmetric pulmonary edema similar to on the prior studies versus infection in the appropriate clinical setting . Again seen enlargement of the cardiac silhouette and prominence of the main pulmonary artery .