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. 2013 Jun 14;55(1):113–120. doi: 10.1093/jrr/rrt082

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© The Author 2013. Published by Oxford University Press on behalf of The Japan Radiation Research Society and Japanese Society for Therapeutic Radiology and Oncology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2. — Overall survival (OS) of four patient groups according to the tumor and PVTT response (CR + PR). The group that showed a response both in PVTT and tumor had the longest OS (n = 30; median, 16.7 months), which contrasted to OS in the group that showed response neither in tumor nor in PVTT (n = 27; median, 8.4 months). The OS difference in the two groups was statistically significant (P = 0.002, Log rank test), The OS in other groups, one showing a response in the tumor alone (n = 11; median, 16.0 months) and the other showing a response in the PVTT alone (n = 32; median, 11.4 months) was similar.