Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest show a persistent peripheral ill - defined opacity projecting over the right mid lung , which is not appreciably changed from the preceding radiograph of ___ but new from the prior CT of ___ . No focal consolidation , pleural effusion , or pneumothorax is present . The pulmonary vasculature is not engorged . The thoracic aorta is calcified throughout its course with extensive calcification of the bilateral carotid arteries as well . The cardiac silhouette is top normal in size . The mediastinal and hilar contours are within normal limits and unchanged from the preceding radiograph . Degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
Persistent pulmonary nodule of the right mid lung . A followup CT is recommended for further evaluation to exclude malignancy .