Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate low volumes , but clear lungs . The cardiomediastinal silhouette is stable and enlarged . Bibasilar atelectasis is unchanged . There is no pleural effusion or pneumothorax . Wedge - shaped compression deformity multiple thoracic spine vertebral bodies are unchanged .
    OUTPUT:
    
No evidence of pneumonia .