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Table 2: MR signal changes on follow-up MR imaging
Group Changes on Follow-up MR
Improved Stable Progressed
I (n = 4) 0 4 (100%) 0
II (n = 2) 0 0 2 (100%)
III (n = 9) 6 (67%) 2 (22%) 1 (11%)
Group	Changes on Follow-up MR
Group	Improved	Stable	Progressed
I (n = 4)	0	4 (100%)	0
II (n = 2)	0	0	2 (100%)
III (n = 9)	6 (67%)	2 (22%)	1 (11%)