早期胃癌病变范围的正确判断对于手术方式的选择及预后有直接关系，因此内用镜直视下诊断早期胃痛不仅应描述其形态，而且着重估计病灶的范围。早期胃癌分为浅表扩散型和穿透型。浅表扩散型胃癌由于病变广泛。界限不清，术时需做切缘冰冻切片判断有无场组织残留，以确定手术范 The correct judgment of the extent of early gastric cancer lesions has a direct relationship with the choice of surgical methods and prognosis, so the diagnosis of early gastric pain under direct internal microscope should not only describe its morphology, but also focus on estimating the extent of the lesion. Early gastric cancer is divided into superficial diffusion type and penetration type. Superficial gastric cancer due to extensive lesions. The boundary is unclear, marginal frozen sections need to be done to determine the presence or absence of field tissue residuals during surgery to determine surgical margins.