Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest was obtained . The heart size is moderately enlarged , similar to prior . The pulmonary vasculature is unremarkable and there is no evidence of pulmonary edema . Lungs are clear without focal or diffuse abnormality . No pleural effusion or pneumothorax . Osseous structures are unremarkable . No radiopaque foreign body .
    OUTPUT:
    
Moderate cardiomegaly . No pulmonary edema .