cancer.The singer was diagnosed with advanced breast cancer last year, before sharing her diagnosis with fans for the first time in August.In a bid to prolong her life, Sarah underwent a mastectomy and chemotherapy.However, the singer also bravely opened up about the reality of her illness in her book Hear Me Out, which was released in March.In the title, Sarah recounted the hurdles she and her mum Marie had to overcome as she received treatment.Sarah also admitted to having found solace in the possibility of dying before her mum.In an excerpt seen by the Daily Star, she wrote: "Mum is in her late seventies now and she has become everything to me through this illness, especially since I've been staying with her."I know how hard this is on.
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