MediastinumTestisMediastinal NeoplasmsMediastinal DiseasesMediastinal CystRete TestisMediastinoscopyThoracotomyTomography, X-Ray ComputedRadiography, ThoracicSpermatogenesisMediastinitisGoiter, SubsternalSertoli CellsThymus NeoplasmsThoracic Surgery, Video-AssistedThoracic Surgical ProceduresPleural CavityCryptorchidismThymomaBronchogenic CystThoracoscopyPneumomediastinum, Diagnostic3-IodobenzylguanidineChoristomaLeydig CellsThoracic NeoplasmsLymphangioma, CysticSternumSuperior Vena Cava SyndromeEsophageal CystVisible Human ProjectsSpermatidsSpermatozoaSeminomaSpermatogoniaTesticular NeoplasmsMediastinoscopesIncidental FindingsEsophageal PerforationGanglioneuromaGastroscopesPlasma Cell Granuloma, PulmonaryEpididymisSeminiferous EpitheliumParathyroid NeoplasmsNeurilemmomaSpermatoceleFatal OutcomeTesticular DiseasesRetroperitoneal NeoplasmsTestosteroneMediastinal EmphysemaSpermatocytesNeoplasms, Germ Cell and EmbryonalThymus HyperplasiaLiposarcomaImmunohistochemistryLymphangiomaChylothoraxTeratomaRadiopharmaceuticalsTreatment OutcomeEndosonographyPleuraLung NeoplasmsThoracostomyThymectomyHematemesisRadionuclide ImagingGallium RadioisotopesThoracic DiseasesNeoplasms, Complex and MixedBronchoscopyBiopsy, NeedleComposite LymphomaEndoscopesEsophagectomyGiant Lymph Node HyperplasiaEsophagusMesenchymomaChest TubesBiopsyThoraxBronchial NeoplasmsHemothoraxEsophageal DiseasesSperm CountSclerosisDrainageEndodermal Sinus TumorOrgan SizePleural EffusionNeckPleural NeoplasmsSpermatic Cord TorsionInfertility, MaleGerm CellsOrchitisGenitalia, Male