What is the most common type of posterior mediastinal tumor?

Tumors located in the posterior mediastinum can also be clinically classified as benign and malignant. Most of them are benign tumors, including local teratomas, lipomas and esophageal cysts. In addition, there are also tumors originating from nerve sites, or other tumors. Dermoid cysts, thymoma, etc.; malignant tumors include lymphosarcoma, etc. Most benign tumors can be cured, but the surgical method is generally more complex, depending on the size of the tumor, etc., select the appropriate surgical method, if necessary, open surgery. For malignant tumors, adjuvant treatment needs to be considered after surgery, including local radiotherapy and systemic chemotherapy.