Jejunoileal BypassHyperlipidemiasLiver DiseasesLiverLiver NeoplasmsLiver TransplantationLiver CirrhosisHepatic ArteryFatty LiverMicrosomes, LiverHepatic VeinsLiver RegenerationLiver CirculationLiver Function TestsDrug-Induced Liver InjuryMitochondria, LiverHepatocytesHepatic EncephalopathyHepatic Stellate CellsHepatectomy