Stage I Cutaneous Melanoma AJCC v6

**Semantic type:** Neoplastic Process

**Definition:** 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

**Synonyms:** - Malignant Melanoma (of Skin), Stage I AJCC v6 - Stage I Cutaneous (Skin) Melanoma - Stage I Malignant Cutaneous Melanoma AJCC v6 - Stage I Malignant Melanoma of Skin AJCC v6 - Stage I Malignant Melanoma of the Skin AJCC v6 - Stage I Malignant Skin Melanoma AJCC v6 - Stage I Melanoma of Skin AJCC v6 - Stage I Melanoma of the Skin AJCC v6 - stage I melanoma