C45: Mesothelioma

C45.2: Mesothelioma of pericardium

The tissue in the body is made up of cells. With cancer, the cells multiply uncontrollably, which leads to a malignant neoplasm (abnormal growth of tissue) developing. The cancer cells can destroy the healthy tissue and spread throughout the body.

In your case, the cancer starts from a membrane surrounding the heart. This thin membrane helps the organs to glide past each other better.