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. 2026 May 15;35(1):0109. doi: 10.34133/csbj.0109

Fig. 1.

Fig. 1.

The mRNA expression levels of HER2 in breast cancer patients. (A) The HER2 expression levels in 1,109 breast cancer tumor samples were ranked, and the samples are presented from high to low expression. (B) The HER2 expression levels in 113 tumor-adjacent normal samples were also ranked, and the samples are presented from high to low expression. (C) Comparison of HER2 expression between 3 distinct groups [HG: high-expression tumor group, top 25% of breast cancer samples (N = 277); LG: low-expression tumor group, remaining 75% of breast cancer samples (N = 832); NG: adjacent normal group (N = 113)]. ****P < 0.001; ns (not significant): P > 0.05.