Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two views of the chest demonstrate minimal airspace opacity in the left upper lung . There is mild biapical architectural distortion , with borderline bronchiectasis . The cardiac silhouette is normal in size , the mediastinal contours are normal . There is no osseous abnormality .
    OUTPUT:
    
No acute chest pathology , with mild biapical architectural distortion which can be seen in cystic fibrosis .