BRONCHOPULMONARY SEGMENTS

Right lung

The right is subdivided into three lobes with ten segments.

• right upper lobe

  • apical segment

  • posterior segment

  • anterior segment

• right middle lobe (or more correctly - just middle lobe)

  • lateral segment

  • medial segment

• right lower lobe

  • superior segment

  • medial segment

  • anterior segment

  • lateral segment

  • posterior segment

Left lung

The left lung is subdivided into two lobes and thereby, into eight segments.

• • left upper lobe

    • • apicoposterior segment

      • anterior segment

      • superior lingular segment

      • inferior lingular segment

  • left lower lobe

• • • superior segment

    • anteromedial segment

    • lateral segment

    • posterior segment