HDAC7 and esophageal squamous cell carcinoma: Moreover, the HDAC7 level in ESCC was significantly higher than that of normal tissues (P < 0.001, Fig. 2b), and ESCC tissues with high pTNM stage (III) had higher HDAC7 expression than those with low pTNM stage (I & II) (P = 0.004, Fig. 2b).