Table 4 The bifurcation site of the SA/SSA (intrahepatic/extrahepatic type)
Intrahepatic type | 36 (29.0 %) | ||
Extrahepatic type | 82 (66.1 %) | ||
Branched off before main bifurcation of Aant and Apost (atypical form) | 43 | ||
Branched off after main bifurcation of Aant and Apost (typical form) | 39 | ||
Unclear (because of cancer invasion) | 6 (4.9 %) | ||