Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . The course of the aorta is again tortuous . There is no pleural effusion or pneumothorax . There is a similar eventration of the anterior right hemidiaphragm . The lungs appear clear .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .