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Pancreatic cancer has a grim prognosis, with a 5-year survival rate of only 5%, and is listed as one of the top 4 fatal cancers.Currently, surgery is considered the most effective way for complete recovery.Unfortunately, operations are feasible for only 20% to 30% of patients, and the longterm survival rate is very low.In addition, patients life quality is greatly lowered owing to unbearable pain.Therefore, it is important to find a radical treatment to prolong their lives and improve their life quality as well.