Approximately 30% of patients with thymoma or thymic carcinoma have no symptoms when the tumor is diagnosed. These are typically detected when doctors are looking for other things, during routine chest x-rays, for example. Possible symptoms are listed in table 1.
|Upper airway congestion|
|Shortness of breath|
|Arm or facial swelling|
|Anemia (low red blood cell count)|
|Increased risk of infection|
Table 1. Possible symptoms of thymic epithelial tumors
* these symptoms may be related to myasthenia gravis (meaning severe muscle weakness) which may be the presenting sign of thymoma