Downregulation of S100 Calcium Binding Protein A9 in Esophageal Squamous Cell Carcinoma

Table 1

Summary of IHC labeling for S100 calcium binding protein A9 (S100A9) in normal and ESCC tissues.

	Parameters	Normal	ESCC
(1)	Positive	273	96
(a)	Strong (-score 200–300)	84	4
(b)	Moderate (-score 100–199)	112	16
(c)	Weak (-score 50–99)	77	76
(2)	Negative (-score 0–49)	15	192
(3)	value	<0.001

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