Ho Van Linh (2016), found that the mean survival time was 36.8 ± 3.9 months, which was correlated with disease stage and degree of tumor differentiation. Figure 3.12 compared the survival rate between pancreatic cancer and other peripancreatic cancers (ampulla of Vater, distal common bile duct and duodenum) showing that pancreatic cancer has a shorter survival time with statistically significant difference (p = 0.01).