Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size , mediastinal and hilar contours are normal . Lungs are clear , and there are no pleural effusions or pneumothoraces . Skeletal structures are remarkable for a compression deformity in the upper thoracic spine as well as an expansile lesion at the level of the left sixth anterior rib , similar in appearance to the prior study .
    OUTPUT:
    
No radiographic evidence of pneumonia .