Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . Calcifications are noted in the ascending aorta . Lungs are clear with no evidence of focal consolidation to suggest pneumonia . Mild atelectasis is noted over the left base . No significant pleural effusions and no pneumothorax .
    OUTPUT:
    
No radiographic evidence of acute pneumonia .