“…Despite these improvements, blood loss remains one of the main predictors of both perioperative morbidity and mortality after liver resection [7, 10]. The possible negative sequelae of blood transfusions are well known and include alloimmunization [11,12,13,14,15,16], transmission of viral diseases [17], graft-versus-host disease [18], increased postoperative infection rate [16,19,20,21], and increased incidence of tumor recurrence in certain cancers [16,22,23,24,25,26,27]. …”