Beyonce’s mum Tina Knowles, 71, reveals breast cancer diagnosis after ‘missed screening’

Tina Knowles has revealed she was diagnosed with breast cancer (Picture: Getty)Beyonce’s mother, Tina Knowles, has revealed that she was diagnosed with breast cancer last year.The 71-year-old, who is set to release her new memoir Matriarch, opened up about her health issues in a new interview, sharing that she was blindsided by the diagnosis.She explained that doctors discovered stage 1 cancer in her left breast last July, after she missed her scheduled mammogram – and is using her