Trachea, 
    Esophagus, 
    Bifurcatio 
    tracheae  
     
    
    Segments 
    (right lung):
    1, 2, 3 (superior lobe), 4, 
    5 (middle lobe) 
    6, 7, 8, 9, 10 (inferior 
    lobe)
    Segments 
    (left lung):
    1, 2, 3, 4, 5 (superior lobe)
    6, 8, 9, 10  
    (inferior lobe)





