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目的探讨长链非编码RNA(long non-coding RNA,lncRNA)肝细胞核因子1 alpha反义链1(hepatocyte nuclear factor 1 alpha-antisense 1,HNF1A-AS1)在胃肠胰神经内分泌肿瘤(gastroenteropancreatic neuroendocrine neoplasms,GEP-NENs)中的表达及意义。方法采用人全转录组芯片技术获得3例胃神经内分泌肿瘤(gastric neuroendocrine neoplasms,G-NEN