Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate apical scarring in the left lung which may be from prior lobectomy . Otherwise , the lungs are well inflated with no opacities . No pleural effusion or pneumothorax is seen . Cardiomediastinal contour is normal .
    OUTPUT:
    
No acute cardiopulmonary process . No pleural effusion .