Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Mediastinal and hilar contours are unremarkable . Pulmonary vascularity is normal and the lungs are clear . Scarring within the lung apices is present . There is no pleural effusion or pneumothorax . No acute osseous abnormalities visualized .
    OUTPUT:
    
No acute cardiopulmonary process seen .