There’s new hope for people who suffer from a rare yet deadly type of melanoma that is not linked to UV exposure and is extremely difficult to treat. Researchers believe a drug traditionally used to treat breast cancer may hold the key to treating mucosal melanoma. Watch the video above Mucosal melanoma occurs on "moist" surfaces of tissues inside the body, including the eyes, inside the mouth and nose, gastrointestinal areas and the genital tract. With no known risk factors, the prognosis is very poor, with less than 20 per cent of patients surviving five years after diagnosis. "We do try all the treatments we’ve been using with the skin melanoma but they’re not as effective," said Professor Georgina, co-medical director at Melanoma Institute Australia. "Occasionally they work but in general they don’t work very well, so it’s very difficult for us to treat this tumour at this point […]