Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were performed . There is no pleural effusion , pneumothorax or focal airspace consolidation . The cardiac silhouette is mildly enlarged but unchanged . The mediastinal contours are unremarkable . Calcification of the anterior longitudinal ligament is again noted .
    OUTPUT:
    
No acute cardiopulmonary process .