From: Hypopharyngeal Cancer Treatment (Adult) (PDQ®)
PDQ Cancer Information Summaries [Internet].
Bethesda (MD): National Cancer Institute (US); 2002-.
NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.
Table 5. Definition of TNM Stage Ia
| Stage | TNM | Description |
|---|---|---|
| I | T1, N0, M0 | T1 = Tumor limited to one subsite of hypopharynx and/or ≤2 cm in greatest dimension. |
| N0 = No regional lymph node metastasis. | ||
| M0 = No distant metastasis. |
T = primary tumor; N = regional lymph node; M = distant metastasis.
aReprinted with permission from AJCC: Oropharynx (p16-) and Hypopharynx. In: Amin MB, Edge SB, Greene FL, et al., eds.: AJCC Cancer Staging Manual. 8th ed. New York, NY: Springer, 2017, pp 123–35.