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Fig. 3 —Hepatic arterial branching patterns can be divided into 10 types. Aberrant vessels are indicated in black. LHA = left hepatic artery, RHA = right hepatic artery, LGA = left gastric artery, HT = hepatic trunk, SMA = superior mesenteric artery, Acc = accessory, GDA = gastroduodenal artery, SA = splenic artery. (Adapted with permission from [14])

A, Diagram shows type 1, conventional branching, and type 2, replaced LHA arising from LGA.

B, Diagram shows type 3, replaced RHA arising from SMA, and type 4, both replaced LHA and RHA.

C, Diagram shows type 5, accessory LHA, and type 6, accessory RHA.

D, Diagram shows type 7, accessory RHA and accessory LHA, and type 8, replaced RHA and accessory LHA or replaced LHA and accessory RHA.

E, Diagram show type 9, entire HT arising from SMA, and type 10, entire HT arising from LGA.