MOst common route for metastasis of oral cancer is by_______________?
Correct answer: B. Lymphatics
- A. Direct textension
- B. Lymphatics
- C. Blood vessels
- D. Aspiration of tumor cells
Explanation
Oral squamous cell carcinoma most commonly spreads first through lymphatic channels to regional cervical lymph nodes. Blood-borne spread occurs later or in advanced disease, while direct extension is local invasion rather than the usual metastatic route.
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