Effect of Gastric Cancer Specialist Training Program in Laparoscopic Gastric Cancer Surgery（STP-LRG-1）

Inclusion Criteria:

1. The title of fellow physician or above, with experience in performing laparoscopic radical gastrectomy for gastric cancer independently or under supervision;
2. The hardware facilities and staffing of the operating room support the completion of laparoscopic gastric cancer surgery;
3. Surgical videos of laparoscopic radical gastrectomy before and after the training required for this study can be provided;
4. Clinicopathological data, intraoperative and postoperative short-term outcome data of the patients operated by the surgeon before and after training can be provided;
5. Informed consent

Exclusion Criteria:

1. Refuse to carry out laparoscopic gastric cancer surgery;
2. Due to the limitations of equipment or policies, the unit cannot routinely carry out laparoscopic gastric cancer surgery;
3. Those who have not performed laparoscopic gastric cancer surgery within 1 month before participating in the training and cannot provide video;
4. Those who are not expected to perform laparoscopic gastric cancer surgery within 1 month after participating in the training;
5. Participate in other clinical investigators during the same period.