Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal and hilar contours are unchanged , with the heart size appearing borderline enlarged . The lungs are clear and the pulmonary vascularity is normal . No pleural effusion or pneumothorax is seen . No acute osseous abnormalities are detected .
    OUTPUT:
    
No acute cardiopulmonary process .