United Kingdom, March 27 -- Anastacia felt "so betrayed by medicine" when she received her cancer diagnosis.

The 56-year-old pop star has battled breast cancer twice in her life but recalled feeling at a loss when doctors could not give her a definitive answer about her health problems since they were not genetic.

Speaking on the 'Turning Points' podcast, she told 'Shout' hitmaker Lulu: "I felt so betrayed by medicine. And when I say that I mean how doctors approach you as a woman is - do you have breast cancer in your family? And I go 'Mum?' No, we don't. Ok great.

"And they let it go.

"But when I hear the stats of women with breast cancer, 70% of those women with breast cancer is not genetic so why ask me and then toss it aside when...