The war on cancer continues, with new tech such as this AILIS breast-screening machineKlaudia Radecka/NurPhoto via Getty Images Metastasis Nafis Hasan (Common Notions) In 2000, then-US president Bill Clinton said: “It is now conceivable that our children’s children will know the term cancer only as a constellation of stars.” A quarter of a century later, cancer is far from banished to the celestial realm. In fact, cancer deaths are predicted to nearly double globally by 2050, and cases are rising in the under-50s across many different tumour types. Clinton made his prediction at an event celebrating the mapping of…