Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: On prior chest , patient had a bilateral bronchiectasis , bronchial wall thickening , and mucoid impaction , most severe in the lower lobes bilaterally . Bibasilar opacities on the current study are similar in distribution in comparison to the prior CT . Cardiac and mediastinal silhouettes are stable . Hilar contours are stable .
    OUTPUT:
    
Bibasilar opacities most likely relate to bronchiectasis and bronchial wall thickening with possible areas of mucoid impaction as seen on prior CT .