Create a single-page anesthesiology medically challenging case poster titled “Preparation Meets Crisis: Preoperative Planning and Massive Transfusion During Hepatectomy in a Cirrhotic Patient.” Use only the case facts I provide. Organize it into Background, Case Presentation, Preoperative Planning, Intraoperative Crisis and Management, Outcome, Discussion, and Key Lessons. Feature a clear timeline and a transfusion summary. Leave placeholders for missing details, citations, authors, and affiliation. Do not invent clinical facts or references. You can use the attached templates.