Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is mildly enlarged . Subtle opacity projecting over the right lower lung may be due to atelectasis but early consolidation is not excluded . There is slight blunting of the costophrenic angles which can be seen with trace pleural effusions . No pneumothorax is seen . Mediastinal contours are unremarkable .
    OUTPUT:
    
Mild cardiomegaly given AP technique . Subtle patient is over the right lung base most likely due to atelectasis . Slight blunting of the costophrenic angles can be seen with trace pleural effusions .