title: Quadrivial pattern of division in the right upper lobe: the axillary bronchus.
authors.affiliation: Cleveland Clinic Foundation Beachwood, OH.
authors.forename: Diego I
authors.initials: DI
authors.lastname: Conci
mesh_terms: D063405:Anatomic Variation; D001980:Bronchi / Q000033:anatomy & histology*; D006801:Humans