Increased standardised incidence ratio of cardiovascular diseases among colorectal cancer patients.

"Declarations Ethics approval and consent to participateThis study was approved by the Institutional Review Board of Mackay Memorial Hospital (reference number: 20MMHIS479e) and was conducted in accordance with the Declaration of Helsinki. The Taiwan Cancer Registry data collection followed the Institutional Review Board regulation, and informed consent was obtained accordingly. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. DisclaimerThe funders had no role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript. The content of this research may not represent the opinion of the Health Promotion Administration, Ministry of Health and Welfare in Taiwan. Competing interests The authors declare no competing interests."

"Funding This work was supported by grants from the Health Promotion Administration, Ministry of Health and Welfare (A1091115 Tobacco Health and Welfare Taxation), Taiwan."