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Recurrence of Breast Cancer. Cancer Stem Cells.

Actress and singer Olivia Newton-John was diagnosed with recurrence of breast cancer after 20 years. Actress and singer Dianne Carroll recently died after battling breast cancer.  She was first diagnosed in 1998.

In my latest visit with my oncologist I brought this up asking how breast cancer returned after so many years.  He explained to me the difference between estrogen receptor and Her2 positive breast cancer.  Although I had an aggressive type of cancer cells (Her2 positive), the prognosis is better at having no recurrence after 5 years.  Something he said also made me very sad.  He said that estrogen receptor breast cancer never goes away.   What causes breast cancer to return?

In July 2018, the U.S. National Library of Medicine, National Institutes of Health, published a study titled “Breast Cancer Stem Cells”.   The study was funded by a National Institutes of Health, National Cancer Institute grant.

Researchers, as well as many cancer patients, have wondered why there is recurrence of cancer.   As long as there is possibility of the cancer returning, patients live on egg shells. Read the rest of this entry

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