Cyclosporine is a potential curative treatment option for advanced thymoma.

This is the first report describing the curative potential of cyclosporine for the treatment of advanced thymoma. Although the mechanism underlying this effect remains unclear, cyclosporine can become a less toxic and more cost-effective treatment option for thymoma compared with conventional therapy. Clinical trials are needed to confirm the therapeutic potential of cyclosporine as a new treatment option for thymoma.