CT radiomics based on different machine learning models for classifying gross tumor volume and normal liver tissue in hepatocellular carcinoma.

"Declarations Ethics approval and consent to participateAccording to the ethical guide-lines of the Helsinki Declaration and was approved by the institutional review board of The Affiliated Hospital of Southwest Medical University and Jiangxi Cancer Hospital. Written informed consents were obtained from all patients prior to treatment. Consent for publicationConsent for publication is not applicable in this study, because there is not any individual person’s data. Competing interestsThere are no conflicts of interest to declare. Competing interests There are no conflicts of interest to declare."

"Funding We acknowledge funding from The Open Fund for Scientific Research of Jiangxi Cancer Hospital (project number:2021J15), The Sichuan Provincial Medical Research Project Plan(project number:S21004),and The Gulin County People’s Hospital-The Affiliated Hospital of Southwest Medical University Science and Technology Strategic Cooperation Project (project number: 2022GLXNYDFY05)."