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Table 1: Imaging diagnosis of metastasis-positive and -negative necks by direct coronal turbo STIR imaging or axial fat-suppressed T2-weighted (SPIR) imaging
Size^* (mm) Meta Level of Neck (n)
I (58):meta (+) (8),meta (−) (50) II (58):meta (+) (25),meta (−) (33) III (58):meta (+) (15),meta (−) (43)
STIR SPIR STIR SPIR STIR SPIR
≥5 + 32 36 47 46 25 22
− 26 22 11 12 33 36
≥6 + 24 26 44 44 23 19
− 34 32 14 14 35 39
≥7 + 15 18 44 41 18 17
− 43 40 14 17 40 41
≥8 + 14 13 36 35 17 17
− 44 45 22 23 41 41
≥9 + 9 9 31 26 11 13
− 49 49 27 32 47 45
≥10 + 6 5 29 24 8 12
− 52 53 29 34 50 46
Note:—STIR indicates short τ inversion recovery; meta, metastasis.
* Cutoff point of short-axis diameter.

Size^* (mm)	Meta	Level of Neck (n)
		I (58):meta (+) (8),meta (−) (50)		II (58):meta (+) (25),meta (−) (33)		III (58):meta (+) (15),meta (−) (43)
		STIR	SPIR	STIR	SPIR	STIR	SPIR
≥5	+	32	36	47	46	25	22
	−	26	22	11	12	33	36
≥6	+	24	26	44	44	23	19
	−	34	32	14	14	35	39
≥7	+	15	18	44	41	18	17
	−	43	40	14	17	40	41
≥8	+	14	13	36	35	17	17
	−	44	45	22	23	41	41
≥9	+	9	9	31	26	11	13
	−	49	49	27	32	47	45
≥10	+	6	5	29	24	8	12
	−	52	53	29	34	50	46