Other factors including the age of patients, tumor size, nodal metastasis, and HER2 and EGFR expression were not associated with AR expression in either ER positive or ER negative tumors.Table 5Expression of AR in ER positive and ER negative tumors.Table 6Clinical-pathological features for AR expression in ER+ tumors (597 cases).Table 7Clinical-pathological features for AR expression in ER??? tumo