Conference Paper 2020 Journal of Clinical OncologyDevelopment of a novel liquid biopsy test to diagnose and locate gastrointestinal cancersYuying Wang†, Jianchao Zheng, Zhilong Li, Ruijingfang Jiang, Jiaxi Peng, Jianlong Sun, Guanghui Yang, Xin-Rong Yang, Ao Huang, Yupeng Wang, Yuan Jie, Xuanhui Liu, Feng GAO, Xiaojian Wu, Dansong Wang, Wenchuan Wu, Wenhui Lou, Jian Zhou, Jia Fan*