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具有发展为胃癌倾向的病变称胃癌前期病变，包括癌前期状态（precancerousconditions）和癌则期损害（precancerouslessions）；前者为临床概念，后者系病理学概念。研究癌前期病变对早期发现和防治胃癌具有重要意义。综述如下。1萎缩性胃炎（CAG）Strickland等[1]（1973）将CA
The lesions that have a tendency to develop into gastric cancer are called precancerous gastric lesions, including precancerous conditions and precancerous lesions; the former is a clinical concept, and the latter is a pathological concept. It is of great significance to study the precancerous lesions for early detection and prevention of gastric cancer. The review is as follows. 1 Atrophic gastritis (CAG) Strickland et al. [1] (1973)