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

Table 1

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

Item	Clinical staging	T1	T2	T3	T4	Total
Enhanced CT	T1	21	7	0	0	28
	T2	11	20	3	0	34
	T3	3	2	18	2	25
	T4	0	0	3	9	12
MRI	T1	26	3	0	0	29
	T2	8	23	3	0	34
	T3	1	3	20	1	25
	T4	0	0	1	10	11
Total		35	29	24	11	99