Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart appears to be mildly enlarged . Thoracic aorta is tortuous . Cardiomediastinal contours are otherwise unchanged from the prior study . Lungs are better expanded and the density seen over the right upper lobe on the prior study is no longer appreciated . No focal areas of consolidation to suggest pneumonia . No pleural effusions and no pneumothorax .
    OUTPUT:
    
No radiographic evidence of pneumonia .