Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal and hilar contours are unremarkable . Bilateral calcified hilar nodes are unchanged . Pulmonary vasculature is normal . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is visualized . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .