Stage III includes: Any T, Tis, N1 or More, M0. Tis: Melanoma in situ. Thickness: Not applicable. Ulceration status: Not applicable. N1: One tumor-involved node or in-transit, satellite, and/or microsatellite metastases with no tumor-involved nodes. N2: Two or three tumor-involved nodes or in-transit, satellite, and/or microsatellite metastases with one tumor-involved node. N3: Four or more tumor-involved nodes or in-transit, satellite, and/or microsatellite metastases with two or more tumor-involved nodes, or any number of matted nodes without or with in-transit, satellite, and/or microsatellite metastases. M0: No evidence of distant metastasis. LDH level is not applicable. (AJCC 8th ed.) [from
NCI]