Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable frontal chest radiograph demonstrates well - expanded lungs . Heart is normal in size , and cardiomediastinal contours are unremarkable . There is no pleural effusion or pneumothorax . Small calcified granulomas are again noted . The lungs are otherwise clear . Lower cervical fusion hardware noted .
    OUTPUT:
    
No evidence of pneumonia .