Table 2 Staging of gallbladder carcinoma

0

Tis N0 M0

In situ carcinoma

I

T1 N0 M0

In situ carcinoma

II

T2 N0 M0

Mucosal or muscular invasion

III

T1 N1 M0

T2 N1 M0

T3 N0 M0

T3 N1 M0

Transmural direct liver invasion

IV A

T4 N0 M0

T4 N1 M0

Lymph node metastasis

IV B

Any T N2 M0

Any T Any N M1

Lymph node metastasis ± distant metastasis