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Illustration of segmental, subsegmental, and sub-subsegmental generations along the five standardized bronchopulmonary paths: RB1 (apical segment of right upper lobe), RB4 (lateral segment of right middle lobe), RB10 (posterobasal segment of right lower lobe), LB1 (apicoposterior segment of left upper lobe), and LB10 (posterobasal segment of left lower lobe).
