Mucus plugging, air trapping, and bronchiectasis are important outcome measures in assessing progressive childhood cystic fibrosis lung disease. - Robinson TE; Goris ML; Moss RB; Tian L; Kan P; Yilma M; McCoy KS; Newman B; de Jong PA; Long FR; Brody AS; Behrje R; et al. (Pediatric pulmonology, 2020)