The earlier cancer is detected, the better the chance of successful treatment. Pancreatic cancer, for example, is one of the deadliest cancers. Physicians rarely find the tumor before it causes symptoms, and by then, it has spread to other tissues. For the few patients diagnosed before the cancer spreads, the 5-year survival rate is almost 60%; otherwise, the survival rate is less than 5%. “Pancreatic cancer has the lowest five-year relative survival rate of all major cancer killers and is the only one for which both the incidence and death rates are increasing,” explained Dr. Andrew Lowy, clinical director for...