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Comment & Response
January 2018

Clinicopathological Factors Associated With Prognosis of Patients With Intrahepatic Cholangiocarcinoma After Hepatectomy—Reply

Author Affiliations
  • 1Department of Surgery, City of Hope National Medical Center, Duarte, California
JAMA Surg. 2018;153(1):92. doi:10.1001/jamasurg.2017.3480

In Reply We appreciate the ongoing interest in our study of morbidity, mortality, and prognostic factors for patients with intrahepatic cholangiocarcinoma in the United States.1 The study is unique in that rather than using institutional cohorts, we analyzed data from a population-based cancer registry. While the California Cancer Registry is one of the most complete registries in the nation, our analysis of the prognostic factors should be interpreted with that limitation in mind.