02 CYFRA21-1 肺癌患者血清 CYFRA21-1 明显升高，尤其是对肺鳞癌有较高的灵敏度和特异性。血清 CYFRA21-1 水平与 NSCLC 临床分期的进展相关。肺癌术后 ...

全球范围内常见的恶性肿瘤之一，据2020年全球癌症统计，食管癌的新发病人数达60.4万，死亡人数达54.4万。中国是食管癌高发地区，随着早诊和治疗技术的发展，中国食管癌的死亡率呈下降趋势，早期食管癌5年生存率可达90%以上，但由于大多数患者诊断时已是 ...

6. 血液标志物检查：如CEA、CYFRA21-1等，虽然特异性不高，但可以作为辅助诊断指标。 肺癌的治疗 肺癌的治疗方法取决于肿瘤的类型、分期及患者的 ...

The 1:1 ratio results from the way the X and Y chromosomes are doled out in sperm and eggs. We know that boys and girls are produced in much the same frequency. But how – and why – is this 1:1 ...

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Bernie Ecclestone called it one of the best drives he's seen: Max Verstappen's win in Brazil, from 17th on the grid, puts a fourth title within reach. Lewis Hamilton said driving Ayrton Senna's ...

肿瘤标记物检测：常用的肺癌肿瘤标记物有NSE（神经烯醇化酶）、CEA（癌胚抗原）、Cyfra21-1(细胞角蛋白)、SCC（鳞状细胞癌抗原）等，对肺癌的诊断 ...