Review
Copyright ©The Author(s) 2016.
World J Gastroenterol. May 7, 2016; 22(17): 4307-4320
Published online May 7, 2016. doi: 10.3748/wjg.v22.i17.4307
Table 2 Comparison of the sixth and the seventh TNM staging systems for the pT and pN stages
Tumor localization6th TNMstaging system7th TNMstaging system
Lamina propria or muscularis mucosaT1T1a
SubmukozaT1T1b
Muscularis propriaT2aT2
SubserozaT2bT3
Serozal invasionT3T4a
Adjacent organ invasionT4T4b
1-2 lymp node metastasisN1N1
3-6 lymp node metastasisN1N2
7-15 lymp node metastasisN2N3a
≥ 16 lymp node metastasisN3N3b