Figure 1.
Three levels of ERCC1 gene expression.
Notes: (A) ERCC1 expression of adenocarcinoma 1+. (B) ERCC1 expression of adenocarcinoma 2+. (C) ERCC1 expression of squamous cell carcinoma 3+.
Abbreviation: ERCC1, excision repair cross-complementing group 1 gene.