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Overall survival and disease-free survival curves according to the proportion score with the cut-off value of 10% by immunohistochemistry regarding AR. Overall survival (A), disease-free survival (B), local recurrence-free survival (C), regional recurrence-free survival (D), systemic recurrence-free survival (E), and contralateral breast cancer recurrence-free survival (F). Abbreviation: AR, androgen receptor; PS, proportion score.
