Comparison of the eighth version of the American Joint Committee on Cancer manual to the seventh version for colorectal cancer: A retrospective review of our data

Table 2 Colorectal cancer tumor-node-metastasis staging American Joint Committee on Cancer 7^th and 8^th editions

7th edition				8th edition
Stage	T	N	M	Stage	T	N	M
0	Tis	N0	M0	0	Tis	N0	M0
I	T1-2	N0	M0	I	T1-2	N0	M0
IIA	T3	N0	M0	IIA	T3	N0	M0
IIB	T4a	N0	M0	IIB	T4a	N0	M0
IIC	T4b	N0	M0	IIC	T4b	N0	M0
IIIA	T1-2	N1/N1c	M0	IIIA	T1-2	N1/N1c	M0
	T1	N2a	M0		T1	N2a	M0
IIIB	T3-4a	N1/N1c	M0	IIIB	T3-4a	N1/N1c	M0
	T2-3	N2a	M0		T2-3	N2a	M0
	T1-2	N2b	M0		T1-2	N2b	M0
IIIC	T4a	N2a	M0	IIIC	T4a	N2a	M0
	T3-4a	N2b	M0		T3-4a	N2b	M0
	T4b	N1-2	M0		T4b	N1-2	M0
IVA	Any T	Any N	M1a	IVA	Any T	Any N	M1a
IVB	Any T	Any N	M1b	IVB	Any T	Any N	M1b
				IVC	Any T	Any N	M1c