Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . There are no focal opacities to suggest pneumonia . The heart is top normal . The cardiomediastinal silhouette and hilar contours are otherwise unremarkable . There is no pulmonary edema . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
There is no evidence of pneumonia . A conventional PA and lateral radiograph would be more revealing .