subapical bronchopulmonary segment (right inferior lobe)

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In roughly half of the population, directly inferior to the apical segment of the inferior lobe of the lung is a subapical bronchopulmonary segment. It is supplied by a separate subapical segmental bronchus derived from the inferior lobe bronchus.

On the right side, the segment sits:

  • inferior to the apical segment
  • posterior to the inferior portion of the oblique fissure
  • superior to the medial basal and posterior basal segments of the inferior lobe
  • lateral to the lateral basal bronchopulmonary segment

Last reviewed 01/2018