: Extremely rare forms that affect the lining of the heart or testicles. Causes and Symptoms Mesothelioma - Symptoms and causes - Mayo Clinic
Mesothelioma is an aggressive and rare cancer that develops in the , a thin layer of tissue covering many internal organs . It is most commonly caused by exposure to asbestos fibers, which can be inhaled and eventually trigger DNA mutations in mesothelial cells. Types of Mesothelioma mesothelimia
: Affects the lining of the abdomen (peritoneum). It represents about 10-20% of cases and generally has a better prognosis than the pleural type. : Extremely rare forms that affect the lining