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.
Raoof M, Singh G. Clinicopathological Factors Associated With Prognosis of Patients With Intrahepatic Cholangiocarcinoma After Hepatectomy—Reply. JAMA Surg. 2018;153(1):92. doi:10.1001/jamasurg.2017.3480
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