Table 1. Description of the sample.

Age distribution in percentiles
25th	39.00 yrs
50th	45.00 yrs
75th	52.00 yrs
Breast cancer stage
T1	55.9%
T2	20.5%
T3	14.2%
T4	9.4%
Familiar history of breast cancer	32.8%
Surgical treatment
Lumpectomy	26.0%
Quadrantectomy with LNS	51.2%
Mastectomy	22.8%