Mediastinal Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A benign or malignant neoplasm that affects the structures of the mediastinum. Representative examples include mediastinal lipoma, mediastinal schwannoma, thymoma, mediastinal germ cell tumor, and mediastinal lymphoma.

**Synonyms:** - Mediastinal Neoplasm NOS - Mediastinal Tumor - Neoplasm of Mediastinum - Neoplasm of the Mediastinum - Tumor of Mediastinum - Tumor of the Mediastinum