Table 2. Pathological characteristics of Group 1.

Patient	Histology	HG	ER*	PR*	HER2†	p53	Ki-67 (%)	EZH2‡
1	IDC	2	7	7	0	negative	40	8
2	IDC	3	0	0	0	negative	90	8
3	IDC	2	8	8	0	negative	10	6
4	IDC	3	0	0	0	positive	50	7
5	IDC	2	6	8	3	negative	60	8
6	IDC	2	8	8	1	negative	50	7
7	IDC	1	5	7	0	negative	5	5
8	IDC	2	7	5	0	positive	30	7
9	IDC	2	7	4	0	negative	60	7
10	IDC	3	0	0	0	negative	90	8
11	IDC	3	0	0	0	positive	90	8
12	IDC	3	0	0	0	positive	80	8
13	ILC	1	6	7	0	negative	30	7
14	IDC	1	6	7	1	negative	NA	8
15	IDC	2	0	0	0	negative	40	8
16	IDC	2	6	8	3	negative	35	7
17	IDC	1	7	5	0	negative	25	7
18	IDC	3	6	3	0	negative	NA	NA
19	IDC	2	4	6	2	positive	NA	NA

Abbreviations: ER, estrogen receptor; IDC, invasive ductal carcinoma; ILC, invasive lobular carcinoma; HG, histological grade; NA, not available; p53, protein p53; PR, progesterone receptor.

*Allred score for ER and PR; †HER2: 0 and 1, negative; 2, undetermined; 3, positive; ‡Score for EZH2 as presented in Table 1.