Table 3. Distant Metastasis (M)a
| aReprinted with permission from AJCC: Malignant melanoma of the uvea. In: Edge SB, Byrd DR, Compton CC, et al., eds.: AJCC Cancer Staging Manual. 7th ed. New York, NY: Springer, 2010, pp 547-59. | |
| M0 | No distant metastasis. |
| M1 | Distant metastasis. |
| M1a | Largest diameter of the largest metastasis ≤3 cm. |
| M1b | Largest diameter of the largest metastasis 3.1–8.0 cm. |
| M1c | Largest diameter of the largest metastasis ≥8 cm. |
