Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours are unremarkable . The lung volumes are low , and in that context , streaky basilar opacities , left greater than right , suggest minor atelectasis . There is no pleural effusion or pneumothorax . No fracture is identified .
    OUTPUT:
    
No evidence of injury .