Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . No focal consolidation is seen . There is mild left base linear atelectasis / scarring , in the similar location as that seen on the prior study . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
No acute cardiopulmonary process .