Breast cancer risk factors in the screened population

Table 3: Breast cancer risk factors in the screened population.

Risk factors	Number (%)
Breast disease (inflammatory conditions, fibro-adenomas, fibrocystic changes)	51/1167 (4.4)
Breast biopsy	15/1167 (1.3)
Breast cyst aspiration	15/1167 (1.3)
Breast operations	69/1167 (5.9)
Oophorectomy^*	30/1167 (2.6)
Hysterectomy^†	48/1167 (4.1)
Family history of breast cancer^‡	29/1167 (18.8)
Family history of other malignancies^§	361/1167 (31)

^*None was due to malignancies and 50% had bilateral oophorectomy.
^†Only 3 had uterine malignancy.
^‡40.2% was in 1st degree relatives and 21.5% had ≥ 2 family members with breast cancer.
^§The commonest were uterine, hepatic and lung cancers.