Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild left apical thickening . The lungs are otherwise clear without consolidation or pulmonary edema . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
No acute cardiopulmonary process ; specifically no evidence of active tuberculosis . Mild left apical thickening is nonspecific and may represent old granulomatous disease .