TNM AJCC Dukes Astler-Coller
I I A A,B1
II IIA B B2
II IIB B B3
III IIIA C C1
III IIIB C C, C3
III IIIC C C, C, C3
IV IV   D
Table1: Comparison of TNM, AJCC, Dukes, and Astler-Coller Stages.