Lessons learned in an operative experience of 14 patients submitted to
extended left hepatectomy for the management of liver tumours are pre
sented. There were no deaths within 30 days of operation. Essential pr
eoperative studies, indications and technical details of the operation
are described. The importance of the morphology of the tumour and the
influence of the tumour on the technique to be adopted are emphasized
. Modifications of technique that allow selection of patients for the
procedure, control of venous bleeding, accurate identification of the
sectoral portal pedicles within the right liver and definition of the
plane of parenchymal transection are addressed.