Research Paper Volume 12, Issue 12 pp 11878—11892

Development and validation of a risk score for predicting mortality after resection of primary hepatocellular carcinoma

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Figure 2. Kaplan-Meier survival curves for IATO (A), PVTT (B), tumor stage (C) and single/multiple tumors (D), which were independently associated with mortality. Abbreviations: IATO: invasion of adjacent tissues or organs; PVTT: portal vein tumor thrombus.