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Richtlijn: Galweg- en Galblaascarcinoom (2.0)

N - Regional Lymph Nodes

NX Regional lymph nodes cannot be assessed

N0

N1

No regional lymph node metastasis

Regional lymph node metastasis including nodes along the cystic duct, common bile duct,

common hepatic artery, and portal vein

M - Distant Metastasis

M0 No distant metastasis

M1 Distant metastasis

pTNM Pathological Classification

The pT en pN categories correspond to the T and N categories.

Histological examination of a regional lymphadenectomy specimen will ordinarily include 15 or

pN0 more lymph nodes. If the regional lymph nodes are negative, but the number ordinarily examined

is not met, classify as pN0

pM1

pM0 and

pMX

Distant metastasis microscopically confirmed

are not valid categories.

G Histopathological Grading

GX Grade of differentiation cannot be assessed

G1

G2

G3

G4

Well differentiated

Moderately differentiated

Poorly differentiated

Undifferentiated

Stage Grouping

Stage 0 Tis N0 M0

Stage I T1 N0 M0

Stage II T2a, T2b N0 M0

Stage IIIA T3 N0 M0

Stage IIIB T1, T2, T3 N1 M0

Stage IVA T4 N0, N1 M0

Stage IVB Any T Any N M1

Summary

T1 Ductal wall

T2a Beyond ductal wall

T2b Adjacent hepatic parenchyma

T3

T4

N1

Unilateral branches of portal vein or hepatic artery

Main portal vein; bilateral branches; common hepatic artery; second-order biliary radicals bilaterally;

unilateral second-order biliary radicals with contralateral portal vein or hepatic artery involvement

Nodes along cystic duct, common bile duct, common hepatic artery, portal vein

Classificatie van Bismuth Corlette

07/17/13 Galweg- en Galblaascarcinoom (2.0) 40

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