Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate there is moderate - severe enlargement of the heart , but no evidence of pulmonary edema . The lungs demonstrate no evidence of focal pneumonia , pleural effusion or pneumothorax . Calcifications are noted within the aortic arch and descending thoracic aorta .
    OUTPUT:
    
Moderate - severe cardiomegaly with no evidence of pulmonary edema or pneumonia .