Which type of cancer can be the most horrible?

Question: Which type of cancer can be the most horrible?
- Keywords:
  cancer,
  horrible,
  type
Asked by lovelalic to Charlie on 14 Mar 2011.
- Charlie Ryan answered on 14 Mar 2011:
  
  sorry but i couldn’t say, it’s not my field at all. I sure there is a cancer specialist on here somewhere though…

Question: Which type of cancer can be the most horrible?