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Table 3 AJCC Prognostic Staging Groups

From: Modification of the 8th American Joint Committee on Cancer staging system for gallbladder carcinoma to improve prognostic precision

TNM (8th) Stage (8th) Stage (modified 8th) TNM (modified 8th)
T1N0M0 I I T1N0M0
T2N0M0 II II T2N0M0
T3N0M0 IIIA IIIA T3N0M0, T1-2N1-2M0
T1–3N1M0 IIIB IIIB T3N1-2 M0, T4N0-1 M0
T4N0-1 M0 IVA IV T4N2M0, TanyNanyM1
TanyN2M0 IVB
TanyNanyM1
  1. AJCC American Joint Committee on Cancer, T primary tumor, N lymph nodes, M distant metastasis