[Stage II includes: IIA (T2b, N0, M0); (T3a, N0, M0); IIB (T3b, N0, M0); (T4a, N0, M0); IIC (T4b, N0, M0). T2b: Melanoma 1.01 - 2.0mm in thickness, with ulceration. T3a: Melanoma 2.01 - 4.0mm in thickness, no ulceration. T3b: Melanoma 2.01 - 4.0mm in thickness, with ulceration. T4a: Melanoma is greater than 4.0 mm in thickness, no ulceration. T4b: Melanoma is greater than 4.0 mm in thickness, with ulceration. N0: No regional lymph node metastasis. M0: No distant metastasis. - 2003 ( NCI )]
UMLS (NCI) C0855016