Metastases from carinoma of tongue by blood stream is more likely when the carcinoma involves the__________?
Correct answer: C. posterior third
- A. anterior third
- B. middle third
- C. posterior third
- D. lateral margin
Explanation
The posterior third of the tongue has rich access to deeper lymphatic and vascular channels, so carcinomas there have a greater tendency to spread beyond the primary site. Anterior tongue lesions more commonly present with regional cervical nodal spread first.
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