Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest show no consolidation , pleural effusion , pulmonary edema , or pneumothorax . Linear opacities at the left base are likely scarring and unchanged from the prior chest radiograph in ___ . Prominence of the pulmonary vasculature is also unchanged . Cardiac size is normal . The mediastinal contours are normal .
    OUTPUT:
    
No acute cardiopulmonary process .