Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs again demonstrate moderate cardiomegaly . Calcifications are noted in the aortic arch . Cardiomediastinal contours otherwise unremarkable . Lungs are clear without focal areas of consolidation . There is no large pleural effusion . There is no pneumothorax .
    OUTPUT:
    
Moderate cardiomegaly without evidence of pneumonia .