Tag Archives: carcinoma in situ

Bilateral breast cancer

The occurrence of synchronous bilateral invasive breast cancer (SBBC) is an uncommon event. The reported incidence ranges between 0.3% and 12%. This wide range is in part due to the many definitions used to describe the entity of bilateral breast cancer. Some physicians consider a contralateral cancer diagnosed within 1 year as a synchronous bilateral breast cancer. Others narrow the definition of synchronous bilateral breast cancers to those cancers which are diagnosed within 3 months of each other. Continue reading

3 stages of cancer development

Cancer is a devastating and potentially fatal disease that develops when healthy cells undergo a genetic change and begin to proliferate rapidly and uncontrollably. What happens to cause a cell to become cancerous? Thirty years ago, scientists could not offer a coherent answer to this question. They knew that cancer arose from cells that began to proliferate uncontrollably within the body, and they knew that chemicals, radiation, and viruses could trigger this change. But exactly how it happened was a mystery. Continue reading