From the case:
Cystic artery anatomic variation (diagram)
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Info

CHA: common hepatic artery
CT: celiac trunk
GDA: gastroduodenal artery
IPDA: inferior pancreaticoduodenal artery
LHA: left hepatic artery
PHA: proper hepatic artery
RGA: right gastric artery
RHA: right hepatic artery
SA: splenic artery
SMA: superior mesenteric artery
Original work of Craig Hacking.
Case Discussion
Normal and anatomic variations of the cystic artery.