Gastric cancer(GC)is one of the most common malignant tumors of the digestive system,and its incidence is second only to lung cancer and colorectal cancer.The clinical symptoms of early GC are insidious,and the tumor has developed to the middle and late stage when it is found,and the prognosis of patients is poor.Therefore,preoperative prediction of lymph node metastasis(LNM),tumor TNM stage and histological grade,differentiation of differentiation degree,differentiation of GC and related tumors,chemotherapy efficacy and prognosis evaluation are very important.In recent years,radiomics has been widely used in GC.This paper first introduces radiomics,and then describes the application of radiomics in the clinical practice of GC.
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