In this issue, guest editors bring their considerable expertise to this important topic. Contains 13 relevant, practice-oriented topics including PSC, small duct PSC, IgG4 and ischemic cholangiopathy: what do you see on needle biopsy?; evolving understanding of noncirrhotic portal hypertension; practical guide, challenges, and pitfalls in liver fibrosis staging; liver pathology after hematopoietic stem cell transplant; medical Liver injury related to cancer treatment; and more.  Provides in-depth clinical reviews on liver pathology, offering actionable insights for clinical practice.  Presents the latest information on this timely, focused topic under the leadership of experienced editors in the field. Authors synthesize and distill the latest research and practice guidelines to create clinically significant, topic-based reviews.