Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . There is a calcified lymph node along the aortopulmonary window . The mediastinal and hilar contours are otherwise unremarkable . There is mild elevation of the right hemidiaphragm . No pleural effusion or pneumothorax is visualized . The lungs appear clear . The lower thoracic spine curves slightly to the left . Vertebral body heights and interspaces appear essentially preserved in height .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .