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Approaches for trisegmentectomy or true right lobectomy. Note that several extensions may be made from the basic right subcostal incision, A to A, that is always used. More than one of the depicted extensions may be required in a given patient. For left hepatic lobectomy or lateral segmentectomy, mirror images of the shown extensions can be added to the basic left subcostal incision, although it is almost never necessary to have a left thoracic component.
