You have know way of knowing if an animal tumour, caused by “a radio-active insultâ€쳌 - poison being the proper word - is going to behave the same way as a spontaneously occurring tumour in a human. The truth is poisoning animals hinders proper medical progress, as they are all tested on humans anyway.

Also what is survival? I understand its five years after diagnosis, so die five years and a day later, you'll call it cured.

Any dunce can poison animals and report on the results. Most do