Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is top normal . The aortic contour is tortuous along its descending portion . The mediastinal and hilar contours otherwise are unremarkable . Lungs are clear . No pleural effusion or pneumothorax is present . There is no pulmonary vascular congestion . No acute osseous abnormalities are identified .
    OUTPUT:
    
No acute cardiopulmonary process .