Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette is mild - to - moderately enlarged , even allowing for accentuation by relatively low lung volumes . Vascular calcifications are seen in the region of the aortic valve and peripherally within the thoracic and abdominal aorta . Pulmonary vascularity is within normal limits allowing for accentuation by low lung volumes . Lungs and pleural surfaces are clear . Surgical clips are noted in the upper paratracheal region bilaterally . Bones are diffusely demineralized .
    OUTPUT:
    
Cardiomegaly . No evidence of pulmonary edema or pneumonia .