translation.en: In fact, genetic profiling tells that it may be tens of thousands of years old, which means that this cancer may have first arisen from the cells of a wolf that lived alongside the Neanderthals.
translation.zh: 基因图谱告诉我们 它有几万年之久 这意味着它可能 最初来自 一个生活在 尼安德特人年代的狼身上