Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . Specifically , there is no evidence of lymphadenopathy or mediastinal mass . The lungs are clear . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process and no evidence of mediastinal mass or lymphadenopathy .