That number seems to be way off.
http://healthland.time.com/2011/10/05/the-pancreatic-cancer-that-killed-steve-jobs/
"Pancreatic cancer is one of the faster spreading cancers; only about 4% of patients can expect to survive five years after their diagnosis. Each year, about 44,000 new cases are diagnosed in the U.S., and 37,000 people die of the disease."
No, his number was right. There are two main types of pancreatic cancer, one is very treatable and one is a near-certain death sentence. Jobs had the treatable kind but he declined to act accordingly because he believed in pseudoscientific nonsense.
https://www.sfgate.com/news/article/Apple-s-Jobs-has-cancerous-tumor-removed-He-ll-2736823.php