Table 2:

Group B, comparison of the enhancement degree of 3 sequences of ring-enhancing lesions with diameters of ≥ 5 mm

	Half-Dose CE-T2 FLAIR	Half-Dose CE-T1WI	Routine-Dose CE-BRAVO
Three points	17	6	11
Two points	4	12	10
One point	2 (0^{^a})	5 (1^{^a})	2 (0^{^a})
Total	23	23	23

↵a Missed brain metastases.