MediastinumThoraxMediastinal NeoplasmsMediastinal DiseasesMediastinal CystRadiography, ThoracicTomography, X-Ray ComputedThoracotomyMediastinoscopyThoracic NeoplasmsMediastinitisPleural CavityThoracic Surgical ProceduresGoiter, SubsternalThymus NeoplasmsThoracic Surgery, Video-AssistedSternumThymomaBronchogenic CystThoracoscopyChoristomaPneumomediastinum, Diagnostic3-IodobenzylguanidineThoracic DiseasesThoracic InjuriesLymphangioma, CysticSuperior Vena Cava SyndromeEsophageal CystVisible Human ProjectsFatal OutcomeMediastinoscopesPleuraIncidental FindingsLung NeoplasmsPleural DiseasesEsophageal PerforationGanglioneuromaRadiopharmaceuticalsGastroscopesSubcutaneous EmphysemaPlasma Cell Granuloma, PulmonaryHemothoraxParathyroid NeoplasmsNeurilemmomaRibsTreatment OutcomeNeckMediastinal EmphysemaThymus HyperplasiaPleural EffusionLiposarcomaEsophagusSeminomaBronchoscopyRetroperitoneal NeoplasmsLymphangiomaChylothoraxFlight, AnimalEndosonographyDrainageThoracostomyThymectomyBiopsy, NeedlePleural NeoplasmsHematemesisPneumonectomySpermatoceleRadionuclide ImagingGallium RadioisotopesNeoplasms, Complex and MixedMagnetic Resonance ImagingComposite LymphomaWingBiopsyEndoscopesEsophagectomyGiant Lymph Node HyperplasiaDiaphragmRetrospective StudiesLungMesenchymomaChest TubesAbdomenBronchial NeoplasmsTeratomaNeoplasms, Germ Cell and EmbryonalEsophageal DiseasesTomography, Emission-Computed, Single-PhotonSclerosisPositron-Emission TomographyPneumothoraxFluorodeoxyglucose F18BronchoscopesThoracoscopesBiopsy, Fine-NeedleEsophageal FistulaLymph NodesRupture, SpontaneousEndodermal Sinus TumorHistiocytoma, Benign Fibrous