https://medlineplus.gov/ency/article/001086.htm
Mediastinal tumor: MedlinePlus Medical Encyclopedia
Mediastinal tumors are growths that form in the mediastinum. This is an area in the middle of the chest that separates the lungs.
mediastinal tumormedlineplusmedicalencyclopedia
https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1495627/full
Frontiers | Anterior mediastinal collision tumor of type AB thymoma and adenocarcinoma: a case...
Collision tumors are defined as the coexistence of two or more histologically distinct tumor types at the same anatomical site. Mediastinal collision tumors ...