European Concesnus

Consensus classification

(European Hepato-Pancreato-Biliary Association)

Label

Side location

Description

Bile duct (B)

B1

Common bile duct

B2

Hepatic duct confluence

B3

R

Right hepatic duct

B3

L

Left hepatic duct

B4

Right and left hepatic duct

Tumor size (T)

T1

< 1 cm

T2

1-3 cm

T3

≥ 3 cm

Tumor form (F)

Sclerosing

Sclerosing (or periductal)

Mass

Mass-forming (or nodular)

Mixed

Sclerosing and mass-forming

Polypoid

Polypoid (or intraductal)

Involvement (> 180°) of the portal vein (PV)

PV0

No portal involvement

PV1

Main portal vein

PV2

Portal vein bifurcation

PV3

R

Right portal vein

PV3

L

Left portal vein

PV4

Right and left portal veins

Involvement (> 180°) of the hepatic artery (HA)

HA0

No portal involvement

HA1

Proper hepatic artery

HA2

Hepatic artery bifurcation

HA3

R

Right hepatic artery

HA3

L

Left hepatic artery

HA4

Right and left hepatic artery

Liver remnant volume (V)

V0

No information on the volume needed (liver resection not foreseen)

V%

Indicate segments

Percentage of the total volume of a putative rem-nant liver after resection

Underlying liver disease (D)

Fibrosis

Nonalcoholic steatohepatitis

Primary sclerosing cholangitis

Lymph nodes (N)

N0

No lymph node involvement

N1

Hilar and/or hepatic artery lymph node involvement

N2

Periaortic lymph node involvement

Metastases (M)

M0

No distant metastases

M1

Distant metastases (including liver and peritoneal metastases)