In an interview with People, Sheryl Crow talks about some of the momentous events that have shaped her life. As well as becoming a mother to her two adopted sons, the 55-year-old singer explains that breast cancer made her reevaluate her life.

MORE: Six celebrities who fought breast cancer.

Crow was diagnosed with breast cancer in 2006 and underwent a lumpectomy and radiation therapy. She has now been cancer-free for more than 11 years.

It was beating breast cancer that made her decide to adopt her children (Wyatt in 2007 and Levi in 2010). Crow wasn’t in a relationship at that time but felt that she was ready for motherhood.

Crow discovered that she had a benign brain tumor in 2012, which she regularly get scans to monitor it. So far, the tumor hasn’t grown and has caused no further health problems for the singer.

MORE: Shannen Doherty praises her breast cancer surgeon.

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