大象传媒

Thanks to Steve Hewlett, there is more awareness of how hard it can be to diagnose oesophageal cancer early enough.

For some patients, by the time doctors know what's what, it is too late to do anything meaningful.

Rebecca Fitzgerald, professor of Cancer Prevention at Cambridge University, explained that one of the latest devices to detect early symptoms of oesophageal cancer is the Cytosponge.

(Photo: The Cytosponge, often called the 'pill on a string' Credit: University of Cambridge)