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Cancer

3:51

How do cancer cells behave differently from healthy ones? - George Zaidan

3:25

What Causes Cancer? Cancer Mutations and Random DNA Copying Errors

1:49

Metastasis: How Cancer Spreads

3:26

What is Lung Cancer?

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Introduction to Cancer Biology (Part 3): Tissue Invasion and Metastasis

Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. These contrast with benign tumors, which do not spread to other parts of the body. Possible signs and symptoms include a lump, abnormal bleeding, prolonged cough, unexplained weight loss and a change in bowel movements. While these symptoms may indicate cancer, they may have other causes. Over 100 types of cancers affect humans.
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