Apple co-founder Steve Jobs' death at the age of 56 followed a seven-year battle with a rare form of pancreatic cancer - the fourth leading cause of cancer-related deaths in the United States. The disease is hard to treat because it is difficult to diagnose. The pancreas is embedded deep in the abdomen, and often, symptoms of cancer become evident at a very late, advanced stage of the disease. Reporter Vidushi Sinha spoke with medical experts about what Job's struggle with pancreatic cancer reveals about the challenges posed by this killer disease
