In lung cancer, the cancer cells usually arise from

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Quizplus · Accepted Answer

Lung cancer typically originates from the epithelium lining a large bronchus, which is the primary site of malignancy in non-small cell lung cancer (NSCLC) and small cell lung cancer (SCLC). While cancer may occasionally develop in the smooth muscle fibers around the bronchioles or the alveoli, these are less common sites of origin. Lymph node involvement is a common feature of advanced lung cancer but does not represent the primary site of malignancy.

In Lung Cancer, the Cancer Cells Usually Arise from