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KMID : 0870420100140020073
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Korean Journal of Hepato-Biliary-Pancreatic Surgery
2010 Volume.14 No. 2 p.73 ~ p.82
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Introduction of 7th AJCC Cancer Staging: Gallbladder, Perihilar Bile Duct and Distal Common Bile Duct
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Lim Jin-Hong
Kim Sung-Hoon
Kim Kyung-Sik
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Abstract
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The American Joint Committee on Cancer (AJCC) Cancer staging system has been revised every 6∼8 years since the first edition of the cancer staging system was introduced in 1977. The latest edition, the 7th, was published in 2009 and has been used since January, 2010. In case of gallbladder cancer, perihilar cancer and distal common bile duct cancer, there are several changes compared to the 6th edition (revised in 2002). In gallbladder cancer, there is no difference in lymph node location from the 6th edition, but in the 7th edition disease is divided into hilar nodes and other regional lymph nodes. This has been reclassified in terms of the possibility of surgical resection and patient outcome. In perihilar cancer, we had to follow cancer staging for extrahepatic bile duct cancer because there was no classification previously; but now a new staging guideline has been introduced. There is no difference from the 6th edition in cancer staging of the distal common bile duct. However, the classification of the primary site has changed according to involvement of the celiac axis or superior mesenteric artery in invasion of adjacent organs. Explanations for the differences between the 5th, 6th and 7th editions are introduced and the helpfulness of the new system in clinical applications is examined.
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KEYWORD
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7th AJCC Cancer staging, Gallbladder cancer, Perihilar bile ducts cancer, Distal bile duct cancer
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