Retroperitoneal SpaceAdrenalectomyChyleLaparoscopyRetropneumoperitoneumNephrectomyAdrenal Gland NeoplasmsHand-Assisted LaparoscopyUreterSurgical Procedures, Minimally InvasiveAdrenal GlandsLiving DonorsCushing SyndromeAdrenocortical AdenomaCorticosteroneAdrenal Gland DiseasesHyperaldosteronismPheochromocytomaTreatment OutcomeRetrospective StudiesAdrenal Cortex NeoplasmsAdrenocorticotropic HormoneNelson Syndrome