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Fig. 1 | Breast Cancer Research

Fig. 1

From: Metformin increases survival in hormone receptor-positive, HER2-positive breast cancer patients with diabetes

Fig. 1

Disease-free survival according to diabetes mellitus and metformin treatment among different intrinsic subtypes using immunohistochemical staining of estrogen receptor (ER), progesterone receptor (PR) and human epidermal growth factor receptor-2 (HER2). (a) Hormone receptor-positive, HER2-negative. (b) Hormone receptor-positive, HER2-positive. (c) Hormone receptor-negative, HER2- positive. (d) Hormone receptor-negative, HER2-negative Adjusted for tumor size (≤2 versus > 2 cm), lymph node status (positive versus negative), ER status, PR status, and HER2-neu status (non-amplification versus amplification). HR, hazard ratio; MET, metformin; DM, diabetes mellitus

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