Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are clear . The cardiomediastinal silhouette and hilar contours are within normal limits . There is evidence of some minimal bibasilar atelectasis . The pleural surfaces are clear without effusion or pneumothorax . Also seen is cortical irregularity of the right humeral head consistent with age indeterminate fracture . There is a vertebral compression fracture in the mid thoracic spine , which is unchanged in appearance from the prior examination .
    OUTPUT:
    
No evidence of pneumonia .