Mesothelioma The Thin layer of tissue that covers the majority of your organs could develop mesothelioma that is malignant. The majority of mesothelioma cases take place in the lining (pleura) of the lung. Other, less well-known types occur in the abdomen's lining or around the testicles and the heart. Mesothelioma http://ezproxy.cityu.edu.hk/login?url=https://vimeo.com/704993713