Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are unremarkable . Lungs are hyperinflated . Streaky and patchy bibasilar airspace opacities may reflect infection , atelectasis or possibly aspiration . If there is no pulmonary vascular congestion or pneumothorax . Scarring within the lung apices is unchanged . No acute osseous abnormalities are visualized . Old right - sided rib fracture is again seen .
    OUTPUT:
    
Streaky bibasilar airspace opacities are nonspecific , and may be in reflective of atelectasis , infection or aspiration .