[Table 3.3.b.1] Depth of infiltration [Table 3.3.b.2] Size of the primary tumor [Table 3.3.b.3] Macroscopic appearance of the primary tumor [Table 3.3.b.4] Bile duct infiltration [Table 3.3.b.5] Duodenal infiltration [Table 3.3.b.6] Portal venous system infiltration [Table 3.3.b.7] Infiltrated part of portal venous system (With overlap) [Table 3.3.b.8] Arterial infiltration [Table 3.3.b.9] Infiltrated part of arteries (With overlap) [Table 3.3.b.10] Plexus infiltration [Table 3.3.b.11] …