Stage IVB Appendix Carcinoma AJCC v7

**Semantic type:** Neoplastic Process

**Definition:** Stage IVB includes: (Any T, N0, M1a, G2, G3); (Any T, N1, M1a, Any G); (Any T, N2, M1a, Any G). N0: No regional lymph node metastasis. N1: Metastasis in 1-3 regional lymph nodes. N2: Metastasis in four or more regional lymph nodes. M1a: Intraperitoneal metastasis beyond the right lower quadrant, including pseudomyxoma peritonei. G2: Moderately differentiated tumor. G3: Poorly differentiated tumor. (AJCC 7th ed.)

**Synonyms:** - Stage IVB Appendix Cancer - Stage IVB Appendix Carcinoma