A. Radioactive seeds, called Brachytherapy, for internal radiation were used for prostate cancer and other cancers.

B. The Human Genome Project (sequencing of the normal human genome) was complete, allowing the sequencing of gene mutations for cancer types to be studied.

C. Advances in breast cancer research included the successful use of the hormonal drug Tamoxifen to achieve remission with little side effects.

E. Sidney Farber, a pathologist turned clinician, researched and tested chemicals that showed promising results in treating childhood leukemia.

D. Herceptin was proven a successful drug for breast cancer.