A “game-changing” daily pill helped almost double survival time for patients with the most deadly major cancer. Pancreatic cancer patients on the drug lived for twice as long as those on chemotherapy. The pill’s success is thought to be the biggest leap forward in the fight against this lethal form of the disease for decades. And experts at the world ’s largest cancer conference said the drug could extend the life expectancy of millions more patients with other types in the future. Speaking at