Crohn's Disease-Associated Anorectal Cancer Has a Poor Prognosis With High Local Recurrence: A Subanalysis of the Nationwide Japanese Study.

"CONFLICTS OF INTEREST Guarantor of the article: Takayuki Ogino, MD, PhD. Specific author contributions: T.O.: contributed to the design of the work, the analysis, and interpretation of data for the work and revised the manuscript critically for important intellectual content. T.M., M.F., Y.S., and H.E.: contributed to the conception of the work and revised the work critically for important intellectual content. R.N., H.I., M.U., K.F., K.O., H.N., K.W., K.O., K.Y., H.O., S.T., Y.M., Y.O., Y.S., H.U., T.K., M.I., H.K., K.H., Y.K., K.T., F.K., T.H., K.M., T.N., Y.S., T.Y., J.A., K.M., J.O., E.S., Y.A., K.K., K.U., T.Y., S.S., S.I., Y.A., and K.A.: contributed to the acquisition of the data for the work and revised the work critically for important intellectual content. All the authors approved the final version to be published and agreed to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. Financial support: This work was supported by the Japanese Society of Cancer of the Colon and Rectum. The funding source had no role in study design, data collection, data analysis and interpretation, preparation of the manuscript, or decision to publish. Potential competing interests: None to report."

"Financial support: This work was supported by the Japanese Society of Cancer of the Colon and Rectum. The funding source had no role in study design, data collection, data analysis and interpretation, preparation of the manuscript, or decision to publish."