Table 1.

Patient clinical and pathological characteristics and details of sample collection.a

Patient ID	Age at diagnosis, y	Histology at diagnosis	ER status	PR status	HER2 status	Pathological lymph node status	Tumor size, cm	Histological grade	AJCC stageb
MD40	78	IDC	N	N	N	P	2.8	3	IIB
MD49	52	IDC, ILC	P	P	N	P	2.8	2	IIB
MD50	47	IDC	P	P	N	P	2.3	2	IIB
MD52	49	IDC	P	P	N	N	2.3	2	IIA
MD53	57	IDC	N	N	N	N	3	3	IIA
MD57	64	ILC	P	P	N	N	4.6	2	IIA
MD64	82	IDC	N	N	P	N	2.8	3	IIA
MD66	57	IDC	P	P	N	N	2.6	2	IIA
MD67	44	IDC, ILC	P	P	N	P	3	2	IIB
MD69	60	IDC, ILC	P	P	N	N	2.9	2	IIA
MD71	48	IDC	P	P	N	P	2.9	3	IIB

^aIDC = invasive ductal carcinoma; ILC = invasive lobular carcinoma; N = negative; P = positive.

^bAJCC Stage = American Joint Committee on Cancer staging classification, 6th edition (Fleige and Pfaffl, 2006).