Observational Study
Copyright ©2014 Baishideng Publishing Group Co.
World J Gastroenterol. May 7, 2014; 20(17): 5104-5112
Published online May 7, 2014. doi: 10.3748/wjg.v20.i17.5104
Table 3 Summary of proposed tumor node metastasis staging system
Proposed TNM stage for colon cancerTNcombinationsProposed TNM stage for rectal cancerTNcombinations
IT1N0-1aIT1N0-1a
IIT1N1b-2aIIT1N1b-2a
T2N0-1bT2N0-1b
T3N0T3N0
IIIaT1N2bIIIaT1N2b
T2N2a-2bT2N2a-2b
T3N1a-2aT3N1a-2a
T4aN0-1aT4aN0-1a
T4bN0
IIIbT3N2bIIIbT3N2b
T4aN1b-2bT4aN1b-2b
T4bN1a-1bT4bN0-1b
IIIcT4bN2a-2bIIIcT4bN2a-2b