is when a tumor is found in the lining of the abdomen. About
20% of all the Mesothelioma cases are classified as Peritoneal
Mesothelioma. The cause of this is from asbestos exposure.
It can either be benign (non-cancerous) or malignant (cancerous).
The tumor can cause a lot of pain to the person who is affected
in the abdomen and chest area.