Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . Incidental note is made of an azygos fissure , a common normal variant . There is no pleural effusion or pneumothorax . The lungs appear clear . Small - to - moderate anterior osteophytes again are noted along lower thoracic levels .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .