摘要
Gastric cancer is one of the most common malignant tumors worldwide.China is a large country in which gastric cancer ranks among the top 3 malignant tumors in terms of incidence,and related morbidity and mortality1.In the past 20 years,China has made the most outstanding achievements in the diagnosis and treatment of gastric cancer among countries worldwide.The overall 5-year survival rate of patients in China has increased by nearly 10%2.However,early gastric cancer accounts for only 20%of clinically confirmed cases,the overall effects of therapies for gastric cancer still must be improved3.The REGATTA study has confirmed that palliative surgery cannot improve the long-term survival of patients with stage IV gastric cancer4.
