LIVER – HEPATOCELLULAR CARCINOMA (ICD‐O‐3 C22.0) Rules for Classification The classification applies only to hepatocellular carcinoma. Cholangio‐ (intrahepatic bile duct) carcinoma of the liver has a separate classification (see Liver…
APPENDIX (ICD‐O‐3 C18.1) Rules for Classification There should be histological confirmation of the disease and separation of carcinomas into mucinous and non‐mucinous adenocarcinomas. Goblet cell adenocarcinomas are classified according to…
PANCREAS (ICD‐O‐3 C25) Rules for Classification The classification applies to carcinomas of the exocrine pancreas and pancreatic neuroendocrine tumours, including carcinoids. There should be histological or cytological confirmation of the…
ADRENAL CORTEX TUMOURS (ICD‐O‐3 C74.0) Rules for Classification This classification applies only to carcinomas of the adrenal cortex. It does not apply to tumours of the adrenal medulla or sarcomas….
CARCINOMA OF THE SKIN (EXCLUDING EYELID, HEAD AND NECK, PERIANAL, VULVA, AND PENIS) (ICD‐O‐3 C44.5–7, C63.2) Rules for Classification The classification applies only to carcinomas, excluding Merkel cell carcinoma. There…
SMALL INTESTINE (ICD‐O‐3 ICD‐O C17) Rules for Classification The classification applies only to carcinomas. There should be histological confirmation of the disease. Anatomical Subsites (Fig. 155) Duodenum (C17.0) Jejunum (C17.1)…
MERKEL CELL CARCINOMA OF SKIN (ICD‐O‐3 C44.0–9, C63.2) Rules for Classification The classification applies only to Merkel cell carcinomas. There should be histological confirmation of the disease. Regional Lymph Nodes…
EXTRAHEPATIC BILE DUCTS – PERIHILAR (ICD‐O‐3 C24.0) Rules for Classification The classification applies to carcinomas of the extrahepatic bile ducts of perihilar localization (Klatskin tumour). Included are the right, left…
LIVER – INTRAHEPATIC BILE DUCTS (ICD‐O‐3 C22.1) Rules for Classification The staging system applies only to intrahepatic cholangiocarcinoma, cholangiocellular carcinoma, and combined hepatocellular and cholangiocarcinoma (mixed hepatocellular/ cholangiocellular carcinoma) Regional…
GESTATIONAL TROPHOBLASTIC TUMOURS (ICD‐O‐3 C58) The following classification for gestational trophoblastic tumours is based on that of FIGO adopted in 1992 and updated in 2001 (Ngan HYS, Bender H, Benedet…
