Table 3. Distant Metastasisa
| aReprinted with permission from AJCC: Lip and oral cavity. In: Edge SB, Byrd DR, Compton CC, et al., eds.: AJCC Cancer Staging Manual. 7th ed. New York, NY: Springer, 2010, pp 29-40. |
| M0 | No distant metastasis. |
| M1 | Distant metastasis. |