label: Stage IB Cutaneous Merkel Cell Carcinoma AJCC v7
label_lc: stage ib cutaneous merkel cell carcinoma ajcc v7
description: 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.)