AUTHOR=Fu Yun , Li Hao , Xu Ao , Yang Zhongrong , Zhang Peng , Wang Weibing TITLE=Cost-effectiveness analysis of sequential two-step screening versus direct colonoscopy screening for colorectal cancer: a large-scale survey in Eastern China JOURNAL=Frontiers in Oncology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1524172 DOI=10.3389/fonc.2025.1524172 ISSN=2234-943X