Three portal ramification patterns in livers with right-sided ligamentum teres (RSLT). (a) Bifurcation type (n = 10), (b) trifurcation type (n = 8) and (c) independent right lateral type (n = 17). PRL, right lateral portal pedicle; PRPM, right paramedian portal pedicle; PLPM, left paramedian portal pedicle; PLL, left lateral portal pedicle; LPV, left portal vein; and RPV, right portal vein