MedGen

An extragonadal non-seminomatous malignant germ cell tumor that arises from the mediastinum. It is characterized by the presence of small pale cells with small amount of cytoplasm and round to oval nuclei with small nucleoli forming a variety of patterns, including microcystic, macrocystic, pseudopapillary, myxomatous, hepatoid, polyvesicular vitelline, and solid. It manifests with respiratory distress, thoracic pain, fever, and superior vena cava syndrome. [from NCI]

A type of chromosome rearrangement in which a segment has been turned through 180 degrees (inverted), and inserted back into its original location on the chromosome. [from NCI]

Adenocarcinoma of the Bronchus. [from HPO]