Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are present , which limits assessment of the lung bases . As noted previously , bibasilar streaky airspace opacities are noted left more so than on the right . These findings may reflect atelectasis but infection , aspiration , or even infarction can not be completely excluded . The pulmonary vascularity is normal . The mediastinal and hilar contours are unremarkable , and the cardiac silhouette size is within normal limits . No large pleural effusion or pneumothorax is identified . There are no acute osseous abnormalities .
    OUTPUT:
    
Bibasilar streaky airspace opacities , left more so than right . Findings are nonspecific but could reflect infection , atelectasis , aspiration , or possibly infarction .