Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , hilar , and mediastinal contours are normal . Left lower lobe calcified granuloma is unchanged . The lungs are clear . Pulmonary vascularity is normal . No pleural effusion or pneumothorax present . No displaced rib fractures are seen . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .