Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . The aorta is tortuous . The mediastinal and hilar contours are otherwise unremarkable . Lungs are clear and the pulmonary vasculature is normal . Eventration of the right hemidiaphragm is demonstrated . No pleural effusion , focal consolidation or pneumothorax is demonstrated . There are moderate degenerative changes noted in the mid thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .