Lung cancer develops from the following elements, except:

Lung cancer develops from the following elements, except:

Lung cancer develops from the following elements, except: 




A. Epithelium of big bronchs
B. Epithelium of bronchiols
C. Epithelium of bronch mucose cells
D. Lymph nodes of lung radix
E. Epithelium of trachea


Answer: D. Lymph nodes of lung radix


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