mediastinal schwannoma (MONDO_0004398, a Monarch Disease Ontology id) can be described as follows. A schwannoma that arises from the posterior mediastinum. It is the most common neurogenic tumor of the mediastinum. Excision is usually curative. Also known as: benign mediastinal neurilemmoma, benign mediastinal schwannoma, benign neurilemmoma of mediastinum, benign neurilemmoma of the mediastinum, benign schwannoma of mediastinum, benign schwannoma of the mediastinum, mediastinal neurilemmoma, mediastinum schwannoma.