Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta remains prominent and tortuous . Mediastinal and hilar contours are otherwise unremarkable . There is no pulmonary vascular engorgement . No focal consolidation , pleural effusion or pneumothorax is present . No acute osseous abnormality is detected . Multilevel degenerative changes are again seen within the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary process .