摘要
Gastric cancer is one of the most common malignancies in China.According to the latest statistics in 2020,the incidence and mortality of gastric cancer all rank the third among all cancers,which have brought a huge burden to people’s health and social economy.Besides the high morbidity and mortality,the low early diagnosis rate is another dilemma of gastric cancer in China.Early gastric cancer accounts for only 20%of new gastric cancer cases in China.Most cases are already in the advanced stage when discovered,and the overall 5-year survival rate is less than50%(1,2).Over the past decades,China has made great progress in the prevention and treatment of gastric cancer,but it is still a relatively prominent health problem.
