An unusual symptom – the overwhelming smell of bleach – led to a devastating diagnosis for a father-of-two, who is now urging others in similar positions to "hold on to hope and positivity in whatever way you can".
Sam Suriakumar, 40, who lives in Worcester Park, south London, with his wife, Sindhu, 39, and their two daughters, Avaana, 10, and Arya, eight. While in his bathroom, the sudden scent of a cleaning agent "almost filled up (his) mouth", leaving him feeling dizzy.