Oncological Adequacy of R1 Vascular Margin in Minimally Invasive Liver Surgery for Hepatocellular Carcinoma and Colorectal Liver Metastases: A Meta-analysis.

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Title: Oncological Adequacy of R1 Vascular Margin in Minimally Invasive Liver Surgery for Hepatocellular Carcinoma and Colorectal Liver Metastases: A Meta-analysis.
Authors: Procopio F; Department of Biomedical Sciences, Humanitas University, Milan, Italy.; Department of Hepatobiliary and General Surgery, IRCCS Humanitas Research Hospital, Milan, Italy., Memeo R; Department of Hepato-Biliary and Pancreatic Surgery, 'F. Miulli' General Hospital, Acquaviva delle Fonti, Bari, Italy.; Department of Medicine and Surgery, LUM University, Casamassima, Bari, Italy., Del Fabbro D; Hepato-Biliary and Pancreatic Surgery Unit, Department of Surgery, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy., Abdelhadi S; Department of Surgery, Medical Faculty Mannheim, Universitätsmedizin Mannheim, Heidelberg University, Mannheim, Germany., Reissfelder C; Department of Surgery, Medical Faculty Mannheim, Universitätsmedizin Mannheim, Heidelberg University, Mannheim, Germany.; DKFZ Hector Cancer Institute at the University Medical Center, Mannheim, Germany., Edwin B; The Intervention Centre, Oslo University Hospital, Oslo, Norway.; Institute of Clinical Medicine, University of Oslo, Oslo, Norway.; Department of HPB Surgery, Oslo University Hospital, Oslo, Norway., Milana F; Department of Biomedical Sciences, Humanitas University, Milan, Italy., Troisi RI; Department of Clinical Medicine and Surgery, Division of HPB, Minimally Invasive and Robotic Surgery, Renal Transplant Service, Federico II University, Naples, Italy., Torzilli G; Department of Biomedical Sciences, Humanitas University, Milan, Italy. guido.torzilli@hunimed.eu.; Department of Hepatobiliary and General Surgery, IRCCS Humanitas Research Hospital, Milan, Italy. guido.torzilli@hunimed.eu.
Corporate Authors: Minimally Invasive R1 Vascular Group
Source: Annals of surgical oncology [Ann Surg Oncol] 2026 May; Vol. 33 (5), pp. 3886-3898. Date of Electronic Publication: 2026 Jan 08.
Publication Type: Journal Article; Meta-Analysis
Journal Info: Publisher: Springer Country of Publication: United States NLM ID: 9420840 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1534-4681 (Electronic) Linking ISSN: 10689265 NLM ISO Abbreviation: Ann Surg Oncol Subsets: MEDLINE
Database: MEDLINE Ultimate
Description
ISSN:1534-4681
DOI:10.1245/s10434-025-18922-1