上皮内瘤变作为胃癌的癌前病变，其进展至胃癌的概率不一，但高级别上皮内瘤变与胃癌的关系密切。
The intraepithelial neoplasia is the precancerous lesion of gastric cancer, which may develop to gastric cancer, but the probability varies.
慢性非特异性溃疡性结肠炎伴上皮内瘤变由于其较易转化为癌组织所以被称为结肠癌前病变。
Chronic non-specific ulcerative colitis with intraepithelial neoplasia change is prone to turning to carcinoma, so it's called precancerosis of colonic carcinoma.
慢性非特异性溃疡性结肠炎伴上皮内瘤变由于其较易转化为癌组织所以被称为结肠癌前病变。
Chronic non-specific ulcerative colitis with intraepithelial neoplasia change is prone to turning to carcinoma, so it's called precancerosis of colonic carcinoma.
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