Review Article

Gallbladder Cancer in the 21st Century

Table 2

Nevin’s staging.

StageDefinition

ITumour invades mucosa
IITumour invades mucosa + muscularis
IIITumour invades mucosa + muscularis + subserosa
IVTumour invades all 3 layers of gallbladder + cystic lymph node
VTumour extends into liver bed or metastases