Professor Peter Barrett-Lee is the Medical director at Velindre Cancer Centre. A new drug Kadcyla is available for patients to use today. At the moment it can only be used to prolong the life of suffers in the later stages of breast-cancer.
But Professor Peter Barrett-Lee says in the future, the drug could be further developed 'to cure breast cancer.'
More top news
Although there may be a crucial Euro 2016 game in Paris tomorrow afternoon another topic is overshadowing France's capital.
Holyhead is one of Britain's busiest ports, but after today's vote what does the future hold?
David Cameron has announced he is to resign as prime minister by October. We look at who could replace him.