Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette , hilar contours , and pleural surfaces are within normal limits . The lung are well inflated , without CHF , focal infiltrate , effusion , or pneumothorax . No free air seen beneath the diaphragms . Mild degenerative changes in the upper / mid thoracic spine may be present . Possible trace anterior wedging of two mid vertebral mid thoracic vertebral bodies , but no acute fracture is suggested .
    OUTPUT:
    
No acute pulmonary process detected . No focal infiltrate to suggest pneumonia .