Self-treating cancer is not generally a recommended strategy, but when you actually know what you're doing...

This scientist treated her own cancer with viruses she grew in the lab
Virologist Beata Halassy says self-treatment worked and was a positive experience β but researchers warn that it is not something others should try. Virologist Beata Halassy says self-treatment worked and was a positive experience β but researchers warn that it is not something others should try.
nature.com