Classification of the extent of portal vein tumor thrombus in hepatocellular carcinoma according to the Japanese Liver Cancer Study Group

Figure describing the anatomical classification of portal vein tumor thrombosis as suggested by the Liver Cancer Study Group of Japan (LCSGJ).

HCC: hepatocellular carcinoma; Vp0: no portal vein tumor thrombus; Vp1: segmental portal vein invasion; Vp2: right anterior or posterior portal vein; Vp3: right or left portal vein; Vp4: main trunk and/or contra-lateral portal vein branch to the primarily involved lobe.

From: Mähringer-Kunz A, Steinle V, Kloeckner R, et al. The impact of portal vein tumor thrombosis on survival in patients with hepatocellular carcinoma treated with different therapies: A cohort study. PLoS One 2021; 16:e0249426. Copyright © 2021 The Authors. Available at: https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0249426 (Accessed on September 12, 2022). Reproduced under the terms of the Creative Commons Attribution License 4.0.

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Classification of the extent of portal vein tumor thrombus in hepatocellular carcinoma according to the Japanese Liver Cancer Study Group