They screened more than 21,000 genes in human lung cancer cells. Specifically, all of the lung cancer cells were non-small-cell lung cancer, the most common type of lung cancer.

• 他们筛检了人类肺癌细胞中的超过21,000种基因，具体说来，筛查所用的肺癌细胞全都属于非小细胞型--肺癌的最常见类型。