In fact, the infectious agent of disease in this cancer is something altogether more sinister, and something that we hadn't really thought of before.
ﻓﻲ ﺍﻟﺤﻘﻴﻘﺔ ﺳﺒﺐ ﺍﻟﻌﺪﻭﻱ ﻓﻲ ﻫﺬﺍ ﺍﻟﺴﺮﻃﺎﻥ ﻫﻮ شئ أكثر تهديدا شئ لم نفكر به بالفعل من قبل