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. 2022 Oct 6;17(6):533–545. doi: 10.1159/000527391

Fig. 1.

Fig. 1

a Hormone receptor status distribution within HER2-low breast cancer. Original figure based on data available in the literature [7, 8, 11, 12, 13, 14]. b PAM50 intrinsic subtype distribution in HER2-low tumors. The figure illustrates the percentages of PAM50 intrinsic subtype within HR+/HER2-low and HR−/HER2-low subgroups (i.e., for HR+/HER2-low: luminal A 58.9–65.9%, luminal B 25.4–33.4%, HER2-enriched 1.2–3.0%, basal-like 1.9–3.6%, normal-like 2.8–3.9%. For HR−/HER2-low: luminal A 1.4–1.6%, luminal B 0%, HER2-enriched 7.1–13.7%, basal-like 76.7–83.3%, normal-like 7.9–8.2%). Original figure based on data available in the literature [7, 12]. HR, hormone receptor.