Is the anterior and superior mediastinal mass a tumor

The tumor may be caused by tumor or other factors.

If the patient has pain, swelling, emaciation, etc., cancer cells are found in the tissue biopsy, which is caused by tumor. After the tumor occurs, tumor cells grow in all parts of the signature, resulting in mass phenomenon. If the patient has no other uncomfortable symptoms, inflammatory cells are found in the tissue biopsy, which is caused by lymph node enlargement, not tumor. After lymph node enlargement, the patient's lymph node site will appear obvious swelling phenomenon, causing a mass in the anterior upper mediastinum.