The Clinical Value of the Combined Detection of Enhanced CT, MRI, CEA, and CA199 in the Diagnosis of Rectal Cancer

Table 2

Enhanced CT and MRI in the preoperative N staging of RC patients.

Item	Clinical staging	N0	N1	N2	Total
Enhanced CT	N0	17	3	0	20
	N1	6	17	1	24
	N2	0	1	7	8
MRI	N0	19	1	0	20
	N1	4	20	0	24
	N2	0	0	8	8
Total		23	21	8	52