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

Table 6 Percentage of nuclei stained by progesterone receptor (PgR 636) in Group B (tamoxifen 10 mg) before and after 14 days of drug use (magnified 400×).

PATIENT	Before tamoxifen 10 mg (% stained cells)	14 days after tamoxifen 10 mg (% stained cells)
1	89.63	48.26
2	85.62	56.21
3	15.62	20.34
4	65.49	49.25
5	25.64	2.45
6	50.47	9.87
7	85.49	30.58
8	55.21	41.59
9	0.00	0.00
10	71.64	24.47
11	2.87	0.00
12	100.00	48.47
13	63.98	53.41
14	60.32	25.48
15	20.29	2.45
16	98.79	48.78
17	89.64	26.98
18	87.49	44.15
MEAN	59.34	29.59