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Retrospective Study
Copyright: ©Author(s) 2026.
World J Gastroenterol. May 28, 2026; 32(20): 119062
Published online May 28, 2026. doi: 10.3748/wjg.v32.i20.119062
Figure 1
Figure 1 Flowchart of case selection. OPD: Open pancreaticoduodenectomy; LPD: Laparoscopic pancreaticoduodenectomy; ASA: American Society of Anesthesiologists; BMI: Body mass index; SII: Systemic immune inflammation index; PNI: Prognostic nutritional index; TNM: Tumor node metastasis; PSM: Propensity score matching.


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