Thymoma and Thymic Carcinoma: Statistics

Approved by the Cancer.Net Editorial Board, 01/2018

ON THIS PAGE: You will find information about the number of people who are diagnosed with thymoma each year. You will also read general information on surviving the disease. Remember, survival rates depend on several factors. Use the menu to see other pages.

Most tumors that begin in the thymus are thymoma. This is an uncommon cancer. Less than 1 person per 1.5 million people develop thymoma. This means about 400 people per year develop thymoma. However, the exact number is not known and may be increasing with the use of computed tomography (CT) scans (see Diagnosis).

Thymoma usually occurs in people between the ages of 40 and 60, but can occur at almost any age. Survival rates are different depending on several factors, including the stage and classification of thymoma (see Stages).

It is important to remember that statistics for people with this type of cancer are an estimate. The estimate comes from annual data based on the number of people with this cancer in the United States. People should talk with their doctor if they have any questions about this information. Learn more about understanding statistics.

Sources: American Cancer Society and the National Cancer Institute.

The next section in this guide is Risk Factors. It explains what factors may increase the chance of developing thymoma. Use the menu to choose a different section to read in this guide.