该抗体判读标准与22C3相同,只是关注的表达数值区间不同。药物临床试验涉及到的相关界值有肿瘤细胞(tumor cell, TC)PD-L1表达≥1%、≥5%、≥10%,同样实际诊断中可以类似22C3一样给出具体数值。TC≥1%是NMPA批准药物对应的PD-L1表达界值。. The gene discussed is CD274; the disease is neoplasm.