Early gastrointestinal(GI)cancer has been the core of clinical endoscopic work.Its early detection and treatment are tightly associated with patients’prognoses.As a novel technology,artificial intelligence has been improved and applied in the field of endoscopy.Studies on detection,diagnosis,risk,and prognosis evaluation of diseases in the GI tract have been in development,including precancerous lesions,adenoma,early GI cancers,and advanced GI cancers.In this review,research on esophagus,stomach,and colon was concluded,and associated with the process from precancerous lesions to early GI cancer,such as from Barrett’s esophagus to early esophageal cancer,from dysplasia to early gastric cancer,and from adenoma to early colonic cancer.A status quo of research on early GI cancers and artificial intelligence was provided.
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