Immunohistochemistry abnormalities in different lesions of ESCC.

Note: Mean: Average of the integral intensity of all samples; a, Esophageal normal epithelium vs LGIN; b, Esophageal normal epithelium vs HGIN; c: LGIN vs HGIN.

注：均值：所有样本积分强度的平均值；a，食管正常上皮与低级别上皮内瘤变（Low-grade intraepithelial neoplasia, LGIN）的对比；b，食管正常上皮与高级别上皮内瘤变（High-grade intraepithelial neoplasia, HGIN）的对比；c，低级别上皮内瘤变（LGIN）与高级别上皮内瘤变（HGIN）的对比。