Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were obtained . There is no focal consolidation , pleural effusion , or pneumothorax . There is stable scarring at the left lung base likely from prior VATS procedure . The cardiomediastinal silhouette and hilar contours are stable . There is no subdiaphragmatic air .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . No evidence of free air below the diaphragms .