Your treatment, and your prognosis, depend on the stage of your tumor, whether it is encapsulated or has spread outside of the capsule. The stage of the tumor, and whether or not it is operable, are the two most important factors for its prognosis. Generally, the lower the stage, the better the prognosis.
There are two staging systems used for thymic cancer. One is the Masaoka system, used just for Thymic cancer, illustrated below:
The other staging system is call TNM. We will look at this on the next page.