About mesothelioma

What is mesothelioma?

Mesothelioma in lung lining diagram.

Mesothelioma is a rare type of cancer that starts in the protective linings of major organs in the area around the stomach and chest.

  • Malignant pleural mesothelioma is a type of cancer that affects the linings of the lungs
    • It is the most common type of mesothelioma
  • Most people are diagnosed when they are 65 years of age or older

Just because mesothelioma is a rare disease, doesn't mean you're alone in this fight.
Learning that you’ve been diagnosed with mesothelioma can put a lot on your mind. Having the support of a loved one or caregiver will be important as you begin treatment. See treatment options

What causes mesothelioma?

Exposure to asbestos is the leading cause of mesothelioma according to the American Cancer Society® and is closely associated with past exposure
at certain kinds of jobs. In fact, at least 90% of all mesothelioma cases are
due to asbestos exposure.

About 3,000 people a year are diagnosed with mesothelioma in the United States.

Some jobs that have been identified as high risk include working:


In a shipyard or the boiler room of a ship

Brake repair

In brake repair


In construction

Asbestos removal

In asbestos removal

Insulation materials

With insulation materials


As a firefighter

Treating mesothelioma with Optune Lua may help. View study results

Next: How is mesothelioma treated?
What is the Optune Lua™ System approved to treat?
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The Optune Lua System is a wearable, portable, FDA-approved device indicated for…

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