Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild enlargement of the cardiac silhouette . The hilar and mediastinal contours are normal . There is elevation of the right hemidiaphragm with a small right pleural effusion . Increased markings in the right lung base , is likely due to the low lung volumes . The left lung is clear . No consolidation , pleural effusion , or pneumothorax is seen .
    OUTPUT:
    
Mild cardiomegaly and small right pleural effusion .