主题词：Organ Transplantation Techniques and Outcomes; Renal Transplantation Outcomes and Treatments; Liver Disease and Transplantation; Transplantation: Methods and Outcomes; Organ Donation and Transplantation; Renal and Vascular Pathologies; Liver Disease Diagnosis and Treatment; Hepatocellular Carcinoma Treatment and Prognosis; Neurological Complications and Syndromes; Hematopoietic Stem Cell Transplantation; Organ and Tissue Transplantation Research; Hepatitis C virus research; Cytomegalovirus and herpesvirus research; Viral-associated cancers and disorders; Polyomavirus and related diseases; Pregnancy and Medication Impact; Hepatitis B Virus Studies; Liver Diseases and Immunity; Renal Diseases and Glomerulopathies; Dialysis and Renal Disease Management; Pharmacological Effects and Toxicity Studies; Gallbladder and Bile Duct Disorders; Acute Kidney Injury Research; Palliative Care and End-of-Life Issues; Cardiac Ischemia and Reperfusion