Effects of low-dose tamoxifen on breast cancer biomarkers Ki-67, estrogen and progesterone receptors

Table 3 Percentage of nuclei stained by progesterone receptor (PgR 636) in Group A (Control) before and after 14 days (magnified 400×).

PATIENT	Control (before) (% stained cells)	Control (after 14 days) (% stained cells)
1	49.92	26.45
2	63.51	70.84
3	33.56	25.98
4	98.71	90.29
5	85.59	78.36
6	66.89	71.24
7	78.42	77.25
8	50.14	45.89
9	0.00	0.00
10	16.52	14.81
11	0.00	0.00
12	100.00	98.89
13	95.12	96.48
14	91.24	78.25
15	17.85	19.25
16	80.13	85.64
17	25.36	22.84
18	15.12	20.98
19	22.05	26.97
20	100.00	100.00
MEAN	54.51	52.52