Stage IVA Intrahepatic Cholangiocarcinoma AJCC v7

**Semantic type:** Neoplastic Process

**Definition:** Stage IVA includes: (T4, N0, M0); (Any T, N1, M0). T4: Tumor with periductal invasion. N0: No regional lymph node metastasis. N1: Regional lymph node metastasis. M0: No distant metastasis. (from AJCC 7th Ed.)

**Synonyms:** - Stage IVA Intrahepatic Bile Duct Cancer (Cholangiocarcinoma) - Stage IVA Intrahepatic Cholangiocarcinoma