Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest show a left pectoral pacemaker with a single lead unchanged in position within the right ventricle . Bilateral apical pleural thickening is unchanged . A right lower lung granuloma is stable from the preceding radiograph . The lungs are otherwise clear without pleural effusion , focal consolidation or pneumothorax . No new pulmonary nodule is detected by radiography . The pulmonary vasculature is not engorged . The cardiac silhouette is top normal in size but stable . The mediastinal and hilar contours are within normal limits and unchanged from ___ .
    OUTPUT:
    
1 . No evidence of intrathoracic malignancy by radiography . 2 . Stable right lower lung granuloma .