I've done a little spying on the Mangler Bros from. My account was unbanned, but I my IP was still blocked. I had to use a proxy to get it. Dayv is free to ban me from there again if he wishes. I did not find any threads over there created specifically to talk about Dayv cancer. I saw no requests for donations. I did however find what could be a hint of it in the a threat called "the debate thread". Dayv asked this:

IF YOU WERE REALLY SICK/DYING WOULD YOU TELL YOUR FAMILY OR KEEP IT TO YOURSELF?

they are a few other references to Dayv possibly being sick. But it just doesn't look like what I'd expect a forum, run by someone desperate dying of lung cancer that needed money to save his life, to look like