1
T, Trachea; UL, upper-lobe bronchus; LB, left bronchus; SB, stem bronchus.
2
27.-Theauthor's upper-lobebronchus forceps.
3
90.-Schematicillustration of the author's upper-lobe-bronchusforceps in position grasping a pin in an anteriorly ascending branch of the upper-lobebronchus.