label: Stage I Cutaneous Merkel Cell Carcinoma AJCC v7
label_lc: stage i cutaneous merkel cell carcinoma ajcc v7
description: Stage I includes: IA: (T1, pN0, M0) and IB: (T1, cN0, M0).  T1: Primary tumor equal or less than 2 cm in size.  pN0: No regional lymph node metastasis by pathologic examination.  cN0: No regional lymph node metastasis by clinical examination.  M0: No distant metastasis.  (AJCC 7th Ed.)