Just to nitpick, we're not only interested in curing cancer in humans. From elsewhere in this thread, a transmissible cancer that threatens an entire species,

Just to nitpick, we're not only interested in curing cancer in humans. From elsewhere in this thread, a transmissible cancer that threatens an entire species, for which attempts have been made to find a cure or vaccine: https://en.wikipedia.org/wiki/Devil_facial_tumor_disease https://en.wikipedia.org/wiki/Devil_facial_tumor_disease