Though still young, she is unable to bear children and will carry the scars of her cancers for the rest of her life. Others face a bleaker future. Olivia has brain cancer. Even after the grueling surgeries and radiation treatments she has endured since the age of 3, doctors still give Olivia only a 30-percent chance of surviving to the age of 20. It brings a family closer and tears it apart at the same time.
Cancer cells can travel through the bloodstream or through the immune system's lymph nodes.
This process of cancer spreading is called metastasis. Doctors liken the spread to fighting a brush fire. Even as the disease is snuffed at one site, another site ignites. Very, very few people survive that. We welcome your comments .