The BBC broadcaster and journalist Victoria Derbyshire was diagnosed with breast cancer two years ago. She documented her treatment and recovery in a series of video diaries and has shared her day to day experience of that period in a book ‘Dear Cancer, Love Victoria, a Mum’s Diary of Hope’. Victoria has two young sons. How do you tell your child that you have a serious illness? She is joined by Dany Bell, specialist adviser for Macmillan Cancer Support. The presenter is Jenni Murray.