胃肠道腺癌中，PD-L1表达与EBER阳性和错配修复缺陷相关。
In gastrointestinal adenocarcinomas, PD-L1-expression was associated with EBER positivity and mismatch-repair deficiency.
结论：胃肠道腺癌细胞DNA含量的变化，可作为反映肿瘤增殖能力的主要生物学指标。
Conclusion: Changes of adenocarcinoma nucleus DNA content of gastrointestinal tract were main biologic indexes of tumor multiplication potentiality.
其结果表明，恶性间皮瘤16例对S-100蛋白染色阳性者有14例，而腹膜转移性胃肠道腺癌均呈阴性。
Positive staining fors-100 protein was observed in 14 of 16 MM, while it was negative in all metastatic gastrointestinal adenocarcinoma of peritoneum.
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