Stage IVA Appendix Carcinoma AJCC v9

**Semantic type:** Neoplastic Process

**Definition:** Stage IVA includes: (Any T, Any N, M1a, Any G); (Any T, Any N, M1b, G1). M1a: Intraperitoneal acellular mucin, without identifiable tumor cells in the disseminated peritoneal mucinous deposits. M1b: Intraperitoneal metastasis only, including peritoneal mucinous deposits containing tumor cells. G1: Well differentiated. (AJCC 9th ed.)

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