Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate increased AP diameter of the chest and flattened hemidiaphragms , suggestive of underlying chronic lung disease . Linear opacities in the lung bases are stable and likely represent areas of scarring . There is no pleural effusion , focal consolidation or pneumothorax . Hilar and mediastinal silhouettes are unchanged . Heart size is top normal . No pulmonary edema .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .