The hidden pathways of metastasis: how cancer travels through the body

How does cancer spread through the body? - Ivan Seah Yu Jun · 4:43 · Video: TED-Ed · Watch at the source

In short: Cancer rarely stays in one place. This video explains the biological mechanisms that allow tumors to migrate from their origin to distant organs, like the brain, and why certain areas are more vulnerable than others.

The process of metastasis involves cancer cells moving from a primary tumor to secondary locations. The video explores three specific routes these cells take to navigate the body's internal geography.

By understanding these pathways, we can better comprehend why some organs are more susceptible to infection than others. The lesson provides a visual breakdown of how a localized issue becomes a systemic threat.

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