Fawcett's Doc on the Cancer Fight

Farrah Fawcett's doctor wants to get the word out about the taboo cancer that took the actress' life. "Extra" Lifechanger Dr. Lawrence Piro says anal cancer is not often talked about, but 5,000 people are diagnosed with the disease each year. Who's at risk and what can you do to avoid it?

Farrah Fawcett's doctor, Lawrence Piro