NCIt synonyms : Embryonal Carcinoma of the Mediastinum; Embryonal Carcinoma of Mediastinum;
NCIt definition : An extragonadal malignant germ cell tumor that arises from the mediastinum and is
composed of primitive large cells with clear or granular cytoplasm forming solid,
glandular, or papillary patterns. It usually affects young males. It manifests with
respiratory distress, thoracic or shoulder pain, fever, cough, superior vena cava
syndrome, or hoarseness.;