Thoracic DuctChylothoraxLymphChyleLymphatic SystemBile DuctsLymphographyMediastinal CystPancreatic DuctsThymectomyThoracic CavityCommon Bile DuctCystic DuctLymphocytesChylous AscitesSalivary DuctsIodized OilLigationThoracoscopyPericardial EffusionPericardial Window TechniquesBile Duct DiseasesThoracic Surgery, Video-AssistedWolffian DuctsDrainageLymphoceleBile Ducts, ExtrahepaticLymphatic Vessels