Beating Breast Cancer

Hormonal therapy is more effective for a wider range of patients than doctors had ever dreamed

For women facing the trials and terrors of breast cancer, the worst part of the ordeal -- worse even than the possibility of losing a breast -- is the sense that the nightmare is not over even after the stitches heal. Breast cancer strikes 1 out of 9 women in industrialized countries and recurs in a third of all patients within five years of their initial diagnosis and in more than half within 10 years.

The grim statistics have led most women and their doctors to opt for additional treatment beyond surgery: radiation, chemotherapy with toxic drugs, and hormonal therapy with...