Table 2. Staging for CRC patients using the tumour, nodal and metastases classification (TNM).

N = 83	T1		T2		T3		T4
	N0	N1/2	N0	N1/2	N0	N1/2	N0	N1/2
Non-metastatic (M0)	3	1	6	5	19	19	5	7
Metastatic (M1)	0	0	0	0	4	1	0	4

N.B. 9 CRC patients could not be fully staged (inoperable).