Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a subtle of opacification lateral to the right heart border , which has been present since ___ . There is also a 9 mm round opacity projecting over the left mid lung , which is stable since ___ . The lungs are otherwise clear . Moderate enlargement of the cardiac silhouette . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
No evidence of pneumonia or CHF .