Heterotopic Auxiliary Liver Transplantation in a Child with Portal Hypertension Using a Discarded Partial Right Liver Allograft from an Adult Patient with Alveolar Echinococcosis

异位辅助肝移植治疗门静脉高压患儿，移植的供体为一名患有肺泡棘球蚴病的成年患者废弃的右半肝。