Stage IB Cutaneous Merkel Cell Carcinoma AJCC v7

**Semantic type:** Neoplastic Process

**Definition:** Stage IB includes: T1, cN0, M0. T1: Primary tumor equal or less than 2 cm in size. cN0: No regional lymph node metastasis by clinical examination. M0: No distant metastasis. (AJCC 7th Ed.)

**Synonyms:** - Stage IB Cutaneous Merkel Cell Carcinoma