toleftcolicarterytake-off)orhigh(proximaltoleftcolic).Inbenign casesandelderly,lowligationisrecommended.Incancercases,high ligationisadvisable,eventhoughdefiniteevidenceofoncologicbenefit islacking.Inathinpatient,theleftcolicarterycanbeseencoursingina cephaladdirectionovertheinferiormesentericveintowardthesplenic flexure.Inobesepatientswithcorpulentmesentery,theviewisdifficult todiscernunlessextensivedissectionwithinthemesenteryisdone.The authorsroutinelyusebipolarenergydevicetoligatemesentericvessels. Asurgicalstaplingdevicewithvascularloadisanoptioninpatientswith calcifiedvessels.Whenusingbipolarenergydevicetoligatevessels,be preparedtomanageasituationwherethesealisnotcomplete.Thisis rareevenincalcifiedvessels.However,theoperatingroomshouldbe stockedwithendoloop,laparoscopicclipapplier,andlaparoscopic staplingdevice.