Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Dual lumen central venous catheter terminates within the proximal right atrium , unchanged . Heart size is normal . The aorta remains tortuous . Mediastinal and hilar contours are similar . The pulmonary vasculature is normal . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is present . Multilevel degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .