Table 3.7.a.1 Yearly trend of histological subtypes Table 3.7.a.2 Histological subtypes and treatment Figure 3.7.a.3 Overall survival by histological subtypes Figure 3.7.a.4 Survival after pancreatectomy for JPS Stage I disease by histological subtypes (Cases more than 10 in four years) Figure 3.7.a.5 Survival after pancreatectomy for JPS Stage II disease by histological subtypes (Cases more than 10 in four years) Figure 3.7.a.6 Survival after pancreatectomy for JPS Stage III disease by histological subtypes (Cases more than 10 in four years) Figure 3.7.a.7 Survival after pancreatectomy for JPS Stage IVa disease by histological subtypes (Cases more than 10 in four years) Figure 3.7.a.8 Survival after pancreatectomy for JPS Stage IVb disease by histological subtypes (Cases more than 10 in four years)