Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The mediastinal and hilar contours are unremarkable . Pulmonary vascularity is normal . Minimal atelectasis is seen in the lung bases . There is scarring within the lung apices . Remainder of the lungs are otherwise clear . No pneumothorax is identified . Minimal blunting of the left costophrenic sulcus posteriorly may be due to the pleural thickening or trace pleural effusion . Multiple old right - sided rib fractures are noted . Anterior cervical fusion hardware is partially assessed .
    OUTPUT:
    
No radiographic evidence for pneumonia . Blunting of the left costophrenic sulcus posteriorly may be due to pleural thickening or trace pleural effusion .