Stage IIIA Appendix Carcinoma AJCC v9

**Semantic type:** Neoplastic Process

**Definition:** Stage IIIA includes: (T1, N1, M0, Any G); (T2, N1, M0, Any G). T1: Tumor invades the submucosa (through the muscularis mucosa but not into the muscularis propria). T2: Tumor invades the muscularis propria. N1: Tumor involvement of one to three regional lymph nodes (tumor in lymph node measuring greater than or equal to 0.2 mm) or any number of tumor deposits is present with no tumor involvement in all identifiable lymph nodes. M0: No distant metastasis. (AJCC 9th ed.)

**Synonyms:** - Stage IIIA Appendiceal Carcinoma AJCC v9