Extrahepatic biliary cancer: New staging classification

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World Journal of Radiology

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1949-8470

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Radiol. Aug 28, 2012; 4(8): 345-352
Published online Aug 28, 2012. doi: 10.4329/wjr.v4.i8.345

Table 4 Extrahepatic bile duct tumors (American Joint Commission on Cancer staging 6th edition)

Tumor	TNM classification
T1	Tumor confined to bile duct histologically
T2	Tumor beyond the wall of bile duct
T3	Tumor invades liver, GB, pancreas, and/or ipsilateral PV (R or L) or hepatic artery (R or L)
T4	Tumor invades main portal vein or its branches bilaterally, common hepatic artery, or adjacent structures (colon, stomach, duodenum, abdominal wall)
Node
N0	No regional lymph node metastasis
N1	Regional lymph node metastasis (including hilar, celiac, superior mesenteric, periduodenal and peripancreatic)
Metastasis
M0	No distant metastasis
M1	Distant metastasis
Tumor stage	AJCC staging 6th edition
Stage IA	T1, N0, M0
Stage IB	T2, N0, M0
Stage IIA	T3, N0, M0
Stage IIB	T1 or T2 or T3, N1, M0
Stage III	T4, any N, M0
Stage IV	Any T, any N, M1

T: Tumor; N: Node; M: Metastases; GB: Gallbladder; PV: Pulmonary vein; AJCC: American Joint Commission on Cancer.

Citation: Ganeshan D, Moron FE, Szklaruk J. Extrahepatic biliary cancer: New staging classification. World J Radiol 2012; 4(8): 345-352
URL: https://www.wjgnet.com/1949-8470/full/v4/i8/345.htm
DOI: https://dx.doi.org/10.4329/wjr.v4.i8.345

Ganeshan D, Moron FE, Szklaruk J. Extrahepatic biliary cancer: New staging classification. World J Radiol 2012; 4(8): 345-352 [PMID: 22937214 DOI: 10.4329/wjr.v4.i8.345]

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