Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are fully expanded and clear . A large pericardial fat pad , better appreciated on CT chest from ___ , causes mild obscuration of the left hemidiaphragm , unchanged . No pleural abnormalities . There is moderate cardiomegaly . The ring of calcification projecting over the left ventricle is unchanged . A dual - chamber pacemaker is in place with leads terminating in the right atrium and right ventricle . Additional metallic hardware projects of the ascending aorta and is unchanged . Cardiomediastinal and hilar silhouettes are normal .
    OUTPUT:
    
No evidence of pneumonia or other acute cardiothoracic abnormalities .