Q&A: Squamous cell carcinoma is a form of lung cancer that begins in?

Question by Eddie: Squamous cell carcinoma is a form of lung cancer that begins in?
A the epithelium of the bronchi.
B the pulmonary lymph nodes.
C the squamous type I cells of the alveoli.
D the mucous glands of the bronchi.
E the respiratory bronchioles.

Need help on this question anyone.

Best answer:

Answer by Gaga science
all of the above

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