1Division of Liver Surgery, Department of General Surgery and Laboratory of Liver Surgery, West China Hospital, Sichuan University, Chengdu, China. 2Department of Hepatopancreatobiliary Surgery, the ...

Exclusion criteria: (1) Cerebrovascular changes resembling smog caused by hyperthyroidism, autoimmune diseases, brain radiotherapy, head trauma, and other conditions; (2) Patients who have previously ...