In order to promote the overall development of primary cancer medicine and further improve the diagnosis and treatment of primary cancer diseases, Chengdu High-tech Medical Association successfully held the "2021 Western Gastrointestinal Tumor Immunity Summit Forum" in Xi'an in November 2021.

The meeting invited Professor Li Enxiao from the First Affiliated Hospital of Xi’an Jiaotong University and Professor Zhao Qingchuan from Xijing Hospital of the Fourth Military Medical University to give an opening speech and summary; Professor Li Shisen from Xijing Hospital of the Fourth Military Medical University shared the keynote MSI-H/dMMR Clinical Benefits in Advanced Colorectal Cancer"; Professor Wu Yinying from the First Affiliated Hospital of Xi’an Jiaotong University focused on "Progress in MSI-H/dMMR Colorectal Cancer Neoadjuvant Therapy"; Fourth Military Medical University Professor Li Jipeng from Xijing Hospital focused on sharing "Progress in ESMO immunotherapy for colorectal cancer"; Professor Yao Liping from Xijing Hospital of the Fourth Military Medical University focused on "Progress in 2021ASCO Gastric Immunotherapy". The participating experts and professors conducted topical questions, opinions sharing and discussions based on the reports of experts and scholars.

This conference provides a platform for clinical medical practitioners and scientific researchers to exchange diagnosis and treatment technology and academic research results, which is conducive to the promotion of clinical scientific research and the academic development of medical oncology, as well as the promotion of high-quality clinical research in the field of medical oncology. It is of great significance to promote the level of clinical scientific research.