C. A 72-year-old female with a family history of breast cancer The risk factors most associated with breast cancer are female gender, advancing age, and family history. The incidence of breast cancer increases dramatically after age 60. Mutations in BRCA genes may cause 5% to 10% of breast cancers; APC gene is associated with colon cancer. Obesity and physical inactivity increase the risk for breast cancer. Fibrocystic breast disease is not associated with the development of breast cancer. More test answers on https://studyhippo.com/med-surg-lewis-ch-52-breast-cancer/