TED-Ed: How does cancer spread through the body? - Ivan Seah Yu Jun

The video explains how cancer spreads through the body, a process known as metastasis. It describes the three main routes of metastasis: transcoelomic, lymphatic, and hematogenous spread. Theories by Stephen Paget and James Ewing are discussed, highlighting the complexity of metastasis. The video also covers current research and treatments, including immunotherapy, which aims to harness the immune system to combat cancer. Understanding metastasis is crucial for developing effective treatments for advanced-stage cancers.

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