These are then further delineated , with the upper lobe having an apical , anterior and posterior segment , the middle lobe having a medial and lateral segment , and the lower lobe having five segments , superior , anterior , posterior , medial and lateral .
These are then further delineated , with the upper lobe having an apical , anterior and posterior segment . 
 The middle lobe has a medial and lateral segment , and the lower lobe has five segments , superior , anterior , posterior , medial and lateral .