Congenital Lobar Emphysema: Expanded lobe, w/o airway mucous impact ion.
Bronchial Atresia: Expanded lobe, mucous impacted airway, hypoemic lung.
Swyer-James:
Carcinoid: Enhancing airway mass, with ATX not lung expansion.
ABPA: Multifocal lobe expansion and mucous impaction, w/central bronchiectasis.