[TOMT][Twitch? Streamer] Explained cancer better than my textbooks

I’m looking for a video I watched a while back where a gaming streamer who studied medicine pulled up this massive slideshow and was explaining how cancer worked. It was more than an hour long. I think the streamer’s handle started with an S but I can’t be sure. He had a black man who I think was a famous warlord/weapons dealer as a profile picture. Video was on YouTube but I don’t think he had a YouTube channel