Early Signs Breast cancer typically produces no symptoms when the tumor is small and most easily treated, which is why screening is important for early detection. The most common physical sign is a painless lump.
Causes of Postmenopausal Breast Cancer About one-third of postmenopausal breast cancers are thought to be caused by behavioral factors that are modifiable, such as postmenopausal obesity, physical inactivity, use of combined estrogen and progestin menopausal hormones, alcohol consumption, and not breastfeeding.
Family Medical History The US Preventive Services Task Force recommends primary care providers routinely collect and update family medical history and screen women with a family history of breast, ovarian, tubal, or peritoneal cancer with one of several brief questionnaires to determine if there is a need for in-depth genetic counseling to consider BRCA testing.
Diagnosis for Men Men are more likely than women to be diagnosed with advanced-stage breast cancer, which likely reflects decreased awareness and delayed detection because screening mammography is not recommended for men due to the rarity of the disease.
Risk Factors in Men Risk factors for men include radiation exposure, BRCA 1/2 gene mutations, Klinefelter syndrome, testicular disorders, family history of breast or ovarian cancer, diabetes, gynecomastia (enlarged breasts), and obesity.