RT Book, Section A1 Ellison, E. Christopher A1 Zollinger, Robert M. SR Print(0) ID 1127273522 T1 EXTENDED RIGHT HEPATECTOMY (SEGMENTS 4, 5, 6, 7, 8 ± SEGMENT 1) T2 Zollinger's Atlas of Surgical Operations, 10e YR 2016 FD 2016 PB McGraw-Hill Education PP New York, NY SN 978-0-07-179755-9 LK accesssurgery.mhmedical.com/content.aspx?aid=1127273522 RD 2023/05/30 AB Malignant tumors involving a large part of the right lobe with extension into the medial segment of the left lobe are a possible indication for extended right hepatectomy (or trisegmentectomy). Lesions straddling midway between the right and left lobes will require trisegmentectomy. This is a major surgical procedure that requires a highly skilled team trained in this field.