Primary anterior mediastinal malignant teratoma. A case report with long‐term survival

Primary anterior mediastinal malignant teratoma is an uncommon tumor. A 17-year-old girl presented with an advanced tumor extending parasternally. Therapy consisted of intraarterial iododeoxyuridine and irradiation followed by surgical resection after failing multidrug therapy. The patient is without evidence of disease 23 years after therapy.