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Mesothelioma: What Is, Types, Causes, Diagnosis, and Treatment

What is Mesothelioma?

Mesothelioma is a cancer form that most often starts in the cells that line the prote­ctive layers inside body cavities, and it mainly occurs in the pleura covering the lungs. This hard tumor’s origin is connected to exposure to asbestos fibers—a mineral commonly used across workplaces during the 20th century.

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