Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacemaker device is noted with leads terminating in the right ventricle . The patient is status post median sternotomy and CABG . Moderate to severe enlargement of the cardiac silhouette is unchanged . The aorta remains tortuous and diffusely calcified . Mild pulmonary vascular congestion is noted without overt pulmonary edema , likely chronic . No focal consolidation , pleural effusion or pneumothorax is present . The lungs are hyperinflated . No acute osseous abnormality is demonstrated . Abdominal aortic stent graft is incompletely imaged .
    OUTPUT:
    
Moderate to severe cardiomegaly with mild pulmonary vascular congestion , likely chronic . No new focal consolidation to suggest pneumonia .