A 36-yrs-old woman whose mother has just undergone treatment for breast cancer is asking about how this affects her and what can be done to lessen her chances of having the disease. You tell her that the incidence of breast cancer:
|A||Increases with increasing age|
|B||Is related to dietary fat intake|
|C||Is related to coffee intake|
|D||Is related to vitamin C intake|
a. Age is probably the most important risk factor that clinicians use in everyday clinical practice.
b. The age-adjusted incidence of breast cancer continues to increase with advancing age of the female population.
c. Breast cancer is rare in persons younger than 20 years, and cases in women younger than 30 constitute less than 2% of the total cases. Thereafter, the incidence increases to 1 in 93 by age 40, 1 in 50 by age 50, 1 in 24 by age 60, 1 in 14 by age 70, and 1 in 10 by age 80.
d. First degree relatives are at two to three fold increased risk of development of cancer breast.