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Chin Clin Oncol. 2018 Oct;7(5):52. doi: 10.21037/cco.2018.07.03. Epub 2018 Jul 12.

Intrahepatic cholangiocarcinoma: the AJCC/UICC 8th edition updates.

Author information

1
Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
2
Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA. yschun@mdanderson.org.

Abstract

Intrahepatic cholangiocarcinoma accounts for 5% to 30% of all primary liver cancers, and its incidence has increased in the last 3 decades. Surgical resection remains the only potentially curative treatment but is associated with high tumor recurrence rates. The 7th edition of the American Joint Committee on Cancer (AJCC) Staging Manual introduced a new staging system for intrahepatic cholangiocarcinoma, which was previously staged the same as hepatocellular carcinoma. The recently published 8th edition has subdivided the T1 category to T1a and T1b based on a size cutoff of 5 cm, removed periductal invasion from the T4 category, and downstaged T4 tumors and regional lymph node metastasis from stage IV to IIIB. Continued international efforts to accurately stratify prognosis are important to counsel patients and guide treatment decisions.

KEYWORDS:

American Joint Committee on Cancer (AJCC); Intrahepatic cholangiocarcinoma; Union for International Cancer Control (UICC); staging

PMID:
30180751
DOI:
10.21037/cco.2018.07.03
[Indexed for MEDLINE]
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