Table 1.

Characteristics of patients included in the study

	N	Percent
Age
40–50	3	25
50–60	7	58
60–70	2	17
Sex
Female	12	100
Disease stage
DCIS	5	42
I	4	33
II	2	17
III	0	0
IV	1	8
Duration of tamoxifen therapy
<3 months	1	8
>3 months	11	92
Prior chemotherapy	4	33
Smoking
Former	4	33
Active	0	0
Never	8	67
Other malignancies	0	0