What are my chances of getting anus cancer, as a non-anal-sex type of person?

Low. Anal cancer is uncommon. It is associated with hpv infection. Colon cancer is far more common and when you turn 50 you should get a screening colonoscopy, sooner if there is family history of early colon cancer.

Related Questions

Diagnosed HPV in Pap smear. Only 1 partner, recently had unprotected anal sex with him. HPV spreads to bum from vag? Anal cancer?

HPV spread. The Human Papilloma Virus (HPV) can produce vulvo-vaginal as well as anal lesions. If you have obvious growths a MD can treat them immediately to decrease your risk of spread. If untreated, anal cancers are a future possibility with the lesions. By the way, your boyfriend should see a MD as well to make sure he is HPV free or not before continuing sexual contact. Read more...

I have read that anal intercourse increases risk of anal cancer. What about anal stimulation by partners finger? Going no more than an inch or two?

Clean hands. The same virus (hpv) that can cause cancer from unprotected anal sex can also be transmitted by fingers. So safest is not to have that contact. But if you choose to, very clean hands, consider even a condom on the finger. Read more...
Probably less risk. However, digital stimulation can still cause tears, pain, inflammation and bleeding. Generally, the anus was designed as an exit and not an entrance. Good rule of thumb to follow in my opinion. Read more...