Figure 1

Gross view of distal bile duct cancer (red dashed circle): Tumour is confined to the bile duct wall without adjacent organ invasion (A). Tumour invades single organ (pancreas) (B). Tumour invades dual organs (pancreas and duodenum) (C).

Gross view of distal bile duct cancer (red dashed circle): Tumour is confined to the bile duct wall without adjacent organ invasion (A). Tumour invades single organ (pancreas) (B). Tumour invades dual organs (pancreas and duodenum) (C).