A Radical Solution
Mastectomies–either before or after cancer has been detected–are never 100 percent fail-safe: fragments of breast tissue can be left behind and later become cancerous. But of the 639 women in the study who had healthy breasts removed between 1960 and 1993, only seven developed the disease. Without the surgery, researchers estimated that at least 67 and as many as 90 of the women would have become sick. Many women overestimate their chance of developing breast cancer....