*Response options to “Depth of Tumor Extension”

___ No invasion (carcinoma in situ/high-grade dysplasia)

___ Tumor invades with a depth <5 mm

___ Tumor invades with a depth of 5-12 mm

___ Tumor invades with a depth >12 mm

___ Cannot be determined (explain):

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Response Options to "Tumor extension"

___ No invasion (carcinoma in situ/high-grade dysplasia)

___ Tumor confined to the bile duct histologically

___ Tumor invades beyond the wall of the bile duct

___ Tumor invades the duodenum

___ Tumor invades the pancreas

___ Tumor invades the gallbladder

___ Tumor invades other adjacent structures (specify)#: ________________________

___ Cannot be assessed (explain): ________________________

Gastrointestinal

Staging

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