Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest show stable blunting of the right costophrenic angle , also seen on prior chest radiograph and CT , consistent with focal pleural scarring . The lungs are otherwise clear without focal consolidation , pleural effusion , or pneumothorax . The pulmonary vasculature is not engorged . The cardiac silhouette is normal in size . The mediastinal and hilar contours are within normal limits and unchanged .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . No evidence of heart failure .