Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate normal cardiomediastinal silhouette . The thoracic aorta is mildly unfolded . The lungs are clear without pneumothorax , vascular congestion , or pleural effusion . There is a moderate multilevel thoracic spondylosis .
    OUTPUT:
    
No evidence of pneumonia .