Assertion: right portal vein | /r/HasProperty | transected with vascular staple
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Source sentences:
text: The right portal vein was transected with a vascular staple; the right hepatic artery, vein, and right hepatic canal were saved (Figure 2, 3), and the parenchymal dissection of the right liver lobe was performed with an ultrasonic dissector and isolated with a sterile plastic bag (Figure 4).