杭腫用CRISPR修改丅細胞基因，以免疫方式在臨床治療食道癌病人，有初步效果，定論尚早。報道見內

https://www.npr.org/sections/health-shots/2018/02/21/585336506/doctors-in-china-lead-race-to-treat-cancer-by-editing-genes