Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is streaky bibasilar opacity , similar to prior . Lung volumes are relatively low but they are otherwise clear . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
Streaky bibasilar opacities , likely atelectasis , infection is not excluded . Findings are similar compared to prior .