Merkel Cell Carcinoma pN1a TNM Finding v7

**Semantic type:** Finding

**Definition:** Merkel cell carcinoma with micrometastasis in regional lymph node(s). Micrometastases are diagnosed after sentinel or elective lymphadenectomy. (from AJCC 7th Ed.)

**Synonyms:** - Cutaneous Neuroendocrine Carcinoma pN1a TNM Finding v7