Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac and mediastinal contours are normal . Coarse interstitial abnormalities are again demonstrated diffusely with bronchiectasis , bronchial wall thickening , and ill - defined nodularity . Overall , these findings appear progressed within the right upper lobe and left lung base . No pleural effusion or pneumothorax is present . The pulmonary vasculature is not engorged .
    OUTPUT:
    
Diffuse interstitial abnormality compatible with cystic fibrosis . Worsening ill - defined nodular opacities most pronounced within the right upper lobe and left lung base , concerning for infection .