Table 1.

The Characteristic of the Four BC Patients

	No.003	No.007	No.010	No.011
Pathology	Invasion	Invasive ductal carcinoma with intraductal carcinoma	Invasive ductal carcinoma	Invasive ductal carcinoma
ER	+++ 100%	<10%	–	+++ 80%
PR	+++ 100%	<10%	–	+ 20%
HER2	++55%	++60%	++60%	+30%
Ki-67	++40%	++50%	++45%	>50%
Metastasis	Left axillary lymph node	Lymphatic metastasis	None	Metastatic nodules

Notes: Intensity level of positive protein expression, +: weakly positive, ++: Moderate positive, +++: Strongly positive; –: Negative expression.