Representative fibrosis regression after dose-reduced allograft. Bone marrow fibrosis grade 3 before transplantation (A), grade 1 after engraftment on day 30 (B), and grade 0 on day 100 after allogeneic stem cell transplantation (C). Image acquisition specifications: Zeiss Axioplan microscope; magnification ×180, oil; Plan Apochromat 20×/0.60 imaging medium/solution; Axiocam HRC camera; Adobe Photoshop software.