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A New Theory About Why Cancer Spreads
NORMAL CELL COMPETITION — HEALTHY CELLS ELIMINATING unhealthy cells — may be an important reason cancer relapses occur months or years after a patient believes there are free of cancer.c Today, we look at a new theory about why cancer spreads or metastasizes.
A recently published mouse study from the University of Texas Southwestern (USA) illustrates that cell competition, a normal process, could contribute to cancer recurrences.
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The diagnosis was immediate: Masses matting the lungs and deforming the spine. Cancer. In my neurosurgical training, I reviewed hundreds of scans for fellow doctors to see if surgery offered any hope. I’d scribble in the chart, ‘Widely metastatic disease — no role for surgery,’ and move on. But this scan was different: It was my own. — Paul Kalanithi
What is metastasis?
Metastasis or cancer spread to distant sites, is not uncommon for most cancers. For…
