Sun Yat-sen University (SYSU) - Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University (SYSU) - Department of Endoscopy, Sun Yat-sen University (SYSU) - Artificial Intelligence Laboratory, Sun Yat-sen University (SYSU) - Department of Endoscopy, Sun Yat-sen University (SYSU) - Department of Medical Oncology, Sun Yat-sen University (SYSU) - Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University (SYSU) - Artificial Intelligence Laboratory, Sun Yat-sen University (SYSU) - Artificial Intelligence Laboratory, Sun Yat-sen University (SYSU) - Department of Medical Oncology, Sun Yat-sen University (SYSU) - Department of Endoscopy, Sun Yat-sen University (SYSU) - Artificial Intelligence Laboratory, Sun Yat-sen University (SYSU) - Department of Endoscopy, Sun Yat-sen University (SYSU) - Artificial Intelligence Laboratory, Sun Yat-sen University (SYSU) - Department of Gastric Surgery, Jiangxi Cancer Hospital, Jiangxi Cancer Hospital, Wuzhou Red Cross Hospital, Government of the People's Republic of China - Department of Digestive Internal, Puning People’s Hospital, Government of the People's Republic of China - Jieyang People’s Hospital, Government of the People's Republic of China - Jieyang People’s Hospital, Government of the People's Republic of China - Jieyang People’s Hospital, Sun Yat-sen University (SYSU) - State Key Laboratory of Oncology in South China, Sun Yat-sen University (SYSU) - State Key Laboratory of Oncology in South China, Sun Yat-sen University (SYSU) - State Key Laboratory of Oncology in South China and Sun Yat-sen University (SYSU) - State Key Laboratory of Oncology in South China