Establishment and external validation of prognosis prediction nomogram for patients with distant metastatic intrahepatic cholangiocarcinoma: based on a large population.

"Declarations Ethical approvalAs a public database, SEER database can be accessed by anyone. The data of the author’s hospital are retrospective data, and there is no need for ethics according to local policies. Consent for publicationNot applicable. Competing interestsThe authors declared no potential conflicts of interest with respect to the research, authorship, or publication of this article. Competing interests The authors declared no potential conflicts of interest with respect to the research, authorship, or publication of this article."

"Funding This study was supported by the Introduced and Jointly Built High-end R&D Institute of Jiangxi (No.20203CCH45008) and the Jiangxi Provincial Natural Science Foundation Youth Fund Project (No.20212BAB216055)."