Baseline characteristics and treatment patterns for all patients.

1IMPC: invasive micropapillary breast carcinoma;2IDC: invasive ductal carcinoma not otherwise specified;3*All the chi-square analysis has been tested by bootstrapping;4**Grading in IMPC and IDC was slightly different because IMPC was characterized by cells arranged in pseudopapillary structures, without typical ductal structure;5ER: estrogen receptor status;6PR: progesterone receptor status;7HER2/neu: human epidermal growth factor receptor 2 status;8BCS: breast-conservative surgery.Baseline characteristics and treatment patterns for all patients.