Immortal line of breast cancer cells being developed; Patient who provided cells called 'brave and self-sacrificing'

Kimberly Koss is fighting an aggressive form of breast cancer. She hopes that long after she dies, her cancer cells will continue to live on in an immortal cell line that would be similar to the cell line described in the book "The Immortal Life of Henrietta Lacks" -- with one crucial difference. While the cervical cancer cell line was derived from patient Henrietta Lacks without her knowledge or consent, Koss has enthusiastically entrusted her cells to a research team. Indeed, the cell line was...