Keywords : AV fistula, AVF, BCS, bile leak, biliary cast syndrome, biliary ischemia, biliary necrosis, biliary stricture, cadaveric liver transplant, CBD, Cholangitis, color Doppler, common bile duct, HA, HAT, hepatic artery hypoperfusion syndrome, hepatic artery pseudoaneurysm, hepatic artery spasm, hepatic artery stenosis, hepatic artery thrombosis, hepatic artery, hepatic vein thrombosis, hepatofugal, hepatopetal, inferior vena cava, ischemic cholangiopathy, IVC stenosis, IVC thrombosis, left portal vein, left hepatic artery, LHA, liver transplant, living donor liver transplant, LPV, main hepatic artery, main portal vein, MHA, MPV, OLT, orthotopic liver transplants, PCS, portal vein steal, portal vein stenosis, portal vein thrombosis, portal vein, post transplant lymphoproliferative disorder, primary sclerosing cholangitis, PTLD, PVT, recurrent PCS, resistive index, RHA, RI, right portal vein, right hepatic artery, RPV, Society of Radiologists in Ultrasound, spectral Doppler, sphincter of Oddi dysfunction, splenic artery steal syndrome, SRU, tardus parvus waveform