The stem cell theory of cancer proposes that among all cancerous cells, a few act as stem cells that reproduce themselves and sustain the cancer, Cancer Stem Cells (CSCs) are a small subpopulation of cells within tumors with capabilities of self-renewal, differentiation, and tumorigenicity.

Links for show notes

https://med.stanford.edu/ludwigcenter/overview/theory.html

https://www.rogelcancercenter.org/research/stem-cells

https://www.cardiff.ac.uk/cancer-stem-cell/research/about-cancer-stem-cells