actually all sex. skin to skin contact, oral sex, penetrative sex, they are all ways HPV can lead to prostate cancer, anal cancer, ovarian cancer, and throat cancer. from any given point of entry.

That's more likely anal than colon cancer.

If you are bottoming a lot you can consider screening for that every 1-3 years.

A quick google search says gay men have cancer rates double or more than straight men, so maybe. The article doesn't mention it so they either don't think it could be linked or wanted to avoid that subject since it would obviously be a touchy one. Although, if they do think there is a connection, it does seem like it would be important to target education to those who have anal sex so they know to get more screenings.