The star’s recent studies are leading her to believe that she will never truly be free of the disease.
Earlier this year, the rock star successfully battled breast cancer, but is still afraid that it’s not over. She revealed, "I dug into the Internet and tried to educate myself as to what I was looking at. Even though you’re treated and you’re doing all the things that you are being told to do I still wake up sometimes feeling like: ‘Is this going to come back?’ The more I read about cancer, the more frightening it really is. There’s so many different kinds of breast cancer. There’s so much that we don’t know."