Fig. 5From: A novel MSC-based immune induction strategy for ABO-incompatible liver transplantation: a phase I/II randomized, open-label, controlled trialSixth-month graft biopsies. Representative sections of the livers stained with CK19, including cases of no biliary complications and cases of ITBL during MSCs or rituximab treatment (× 200 magnification). a No biliary complications occurred in the MSC group, and the bile ducts stained with CK19 were normal. b CK19 staining of patients with or without biliary complications in the rituximab group. Abnormal changes included dilation and atresia of the bile ducts with ITBLBack to article page