Stage IVB Appendix Carcinoma AJCC v9

**Semantic type:** Neoplastic Process

**Definition:** Stage IVB includes: Any T, Any N, M1b, G2, G3, or GX. M1b: Intraperitoneal metastasis only, including peritoneal mucinous deposits containing tumor cells. G2: Moderately differentiated. G3: Poorly differentiated. GX: Grade cannot be assessed. (AJCC 9th ed.)

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