Colorectal Cancer
Copyright ©2006 Baishideng Publishing Group Co.
World J Gastroenterol. Nov 21, 2006; 12(43): 6961-6965
Published online Nov 21, 2006. doi: 10.3748/wjg.v12.i43.6961
Table 3 Our proposal staging system for colorectal liver metastases
Staging system
H-factor;
H1: Solitary&Diameter ≤ 5 cm
H2: Solitary&Diameter > 5 cm/Multiple&Diameter ≤ 5 cm
H3: Multiple&Diameter > 5 cm
M-factor;
M0: Extrahepatic metastasis (-)
M1: Extrahepatic metastasis (+): resectable
Staging;
I: H1&M0
II: H2&M0/H1&M1
III: H3&M0/H2&M1
IV: H3&M1
[IVb: any H & unresectable extraheptic metastasis (+)]