title: Mediastinal germ cell cancers in Klinefelter's syndrome.
mesh_terms: D000293:Adolescent; D000328:Adult; D005854:Germ Cells; D006801:Humans; D007713:Klinefelter Syndrome / Q000150:complications*; D008297:Male; D008479:Mediastinal Neoplasms / Q000150:complications*