Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is mildly enlarged . The hilar contours are within normal limits . There is minimal atelectasis at the right lung base . Blunting of the bilateral costophrenic angles is likely secondary to a small amount of pleural effusion . Lungs are otherwise clear . There is no focal consolidation or pneumothorax .
    OUTPUT:
    
Blunting of the bilateral costophrenic angles is likely secondary to a small amount of pleural effusion . Otherwise , no acute cardiopulmonary process .