ThymectomyMyasthenia GravisRemission InductionThymomaThymus NeoplasmsRemission, SpontaneousOophoritisThymus HyperplasiaThymus GlandPyridostigmine BromideTreatment OutcomeAutoimmune DiseasesRecurrenceThoracoscopySternotomyCyclophosphamidePrednisoloneT-LymphocytesPrednisoneTime FactorsFollow-Up StudiesThoracic DuctThyroiditisThoracic Surgery, Video-AssistedCytarabinePicryl ChlorideAutoantibodiesAnimals, NewbornAlfaxalone Alfadolone MixtureLeukemia, Myeloid, Acute