Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The mediastinal and hilar contours are unremarkable . There is no large pleural effusion or pneumothorax . A large right basilar mass - like opacity is again noted with a small right pleural effusion . Mild pulmonary edema may be present . Degenerative changes throughout the thoracolumbar spine are noted .
    OUTPUT:
    
Large right basilar opacity again seen . Small right pleural effusion . Possible mild pulmonary edema .