Stenoses are classified as early if they occur within the first month following LT, or late if they occur after the first month. They are classified as anastomotic stenoses AS or non-anastomotic stenoses NAS according to their locations 34.
Las estenosis se clasifican en tempranas o tardías si se presentan antes o después del primer mes y en estenosis anastomóticas EA o no anastomóticas ENA de acuerdo con su localización 34.