Table 1. Patient demographics, clinicopathologic characteristics, and treatments overall and by histologic type.

Bold highlights the p values crossing the .05 mark toward statistical significance.

Abbreviations: ER, estrogen receptor; HER2, human epidermal growth factor receptor 2; IDC‐L, mixed invasive ductal and lobular carcinoma; ILC, invasive lobular carcinoma; IQR, interquartile range; PR, progesterone receptor.