Genes Predict Chances of Breast Cancer's Spread

"THURSDAY, Jan. 1 (HealthDay News) -- In a finding that could help doctors fine-tune breast cancer treatments even further, a new study confirms that there are genes that increase the likelihood that the disease will spread throughout a woman's body. Scientists from the National Cancer Institute (NCI), building upon earlier research, found in both mice and human breast tumor samples that a certain gene signature predicted the chance of metastasis. Many experts have believed that metastasis is primarily the result of non-inherited mutations in cancerous tissue."

Read this Washington Post article.