Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The heart is of normal size . The descending aorta is tortuous . The mediastinum is not widened . The pulmonary vasculature is unremarkable . The lungs are clear without focal or diffuse abnormality . No pleural effusion or pneumothorax . The osseous structures are unremarkable . No radiopaque foreign body .
    OUTPUT:
    
No acute cardiopulmonary process .