Stages of Mesothelioma
The term staging is used to define the extent to which the cancer has proliferated. The stage of mesothelioma is determined through the use of imaging tests such as MRI scans and this determination strongly affects a patient’s prognosis.
Staging only exists for the most common form of mesothelioma.
1. pleural. Staging is usually tracked using the Butchart system, which is based primarily on the size of the tumor and numbers the stages 1, 2, 3 and 4.
Butchart Staging System
Stage 1: The cancer is located in one side of the pleural membrane and occasionally the pericardium, diaphragm, or lung on that side.
Stage 2: The cancer has spread to the chest and/or the esophagus, both sides of the pleura, or the heart. Cancerous cells may also be present in the lymph nodes.