Bullshit

If this was as successful as the tweet pretends there would be no stopping it. The profit potential for a successful cancer cure is astronomical.

I’d guess this is what happened:

This comic has more panels but for some reason i can’t upload the full version so here’s a Link to SMBC Comics

“They said it typically takes 10 to 15 years for a new drug to get from the lab to the patient. The team at the University of Findlay is on year two.” In 2019

So, still some time to see if it truly was dissappeared or just didn’t make the cut.