Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is mildly enlarged . The aorta is unfolded . Mediastinal contours are unremarkable . The pulmonary vasculature is not engorged . Minimal streaky bibasilar opacities likely reflect atelectasis . No focal consolidation , pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Mild bibasilar atelectasis .