Stage II Appendix Neuroendocrine Tumor AJCC v9

**Semantic type:** Neoplastic Process

**Definition:** Stage II includes: (T2, NX, N0, M0); (T3, N0, M0). T2: Tumor measuring more than 2 cm but equal to or less than 4 cm in greatest dimension. T3: Tumor measuring more than 4 cm in greatest dimension, or with subserosal invasion, or involvement of the mesoappendix. NX: Regional lymph nodes cannot be assessed. N0: No tumor involvement of regional lymph node(s). M0: No distant metastasis. (AJCC 9th ed.)

**Synonyms:** - Stage II Appendiceal Neuroendocrine Tumor AJCC v9