Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is slightly enlarged with left ventricular configuration . The mediastinal and hilar contours appear within normal limits . There is mild relative elevation of the right hemidiaphragm compared to the left . No pleural effusion or pneumothorax is demonstrated . The lungs appear clear . Moderate anterior osteophytes are noted along the mid thoracic spine .
    OUTPUT:
    
No evidence of acute disease .