Relevant Anatomy Major hepatectomy: resection of 3 or more segments Right hepatectomy: 5, 6, 7, 8 Right lobectomy or trisegmentectomy: 4, 5, 6, 7, 8 Left lobectomy: 2, 3, 4 Left trisegmentectomy: 2, 3, 4, 5, 8 Non-anatomic resection (wedge resection or segmentectomy) possible for small tumors Segment 1 has its own (variable) blood supply and can be resected with any other lobes/segments 78 2 4 3 6 5 or right lobectomy Right hepatectomy
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