label: Stage I Cutaneous Melanoma AJCC v6
label_lc: stage i cutaneous melanoma ajcc v6
description: Stage I includes: IA (T1a, N0, M0); IB (T1b, N0, M0); (T2a, N0, M0).  T1a: Melanoma is less than or equal to 1.0mm in thickness with or without ulceration.  T1b: Melanoma is less than or equal to 1.0mm in thickness and level IV or V with ulceration. T2a: Melanoma 1.01-2.0 mm in thickness, no ulceration.  N0: No regional lymph node metastasis.  M0: No distant metastasis.-2003