A 62-year-old male presents with a 2 cm lesion on the right true vocal cord with normal mobility. There is no cervical lymphadenopathy on examination or imaging. According to AJCC 8th edition, this glottic laryngeal carcinoma is staged as:
- A Tis
- B T1b
- C T1a ✓
- D T2
Correct answer: C. T1a
Explanation
AJCC 8th edition classifies glottic tumors limited to one vocal cord with normal mobility as T1a. T1b involves both vocal cords. T2 indicates extension to the supraglottis or subglottis, or impaired vocal cord mobility. Tis is carcinoma in situ. The key distinction is that T1a is limited to one cord, which matches this clinical scenario perfectly.
Reference: AJCC Cancer Staging Manual, 8th ed.
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Written and medically reviewed by the StethoPrep medical team.