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Pathological Assessments of Tumor Samples

XY Xiaoping Yi
QP Qian Pei
YZ Youming Zhang
HZ Hong Zhu
ZW Zhongjie Wang
CC Chen Chen
QL Qingling Li
XL Xueying Long
FT Fengbo Tan
ZZ Zhongyi Zhou
WL Wenxue Liu
CL Chenglong Li
YZ Yuan Zhou
XS Xiangping Song
YL Yuqiang Li
WL Weihua Liao
XL Xuejun Li
LS Lunquan Sun
HP Haiping Pei
CZ Chishing Zee
BC Bihong T. Chen
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Each specimen was sampled and evaluated by two experienced dedicated gastrointestinal pathologists. The two pathologists were both blind to the MRI data and clinical data. Criteria for pCRT and non-pCRT were defined as described in previous reports (8). We also classified TRG 3–4 into the good response (GR) group, and TRG 0–2 into the non-GR group according to Dowrak/Rödel's system (27). Changes in TNM staging were recorded by comparing to cTNM before the surgery, and responses were classed as either down-staging or non-down-staging (stability and progression). Details can be found in the Supplementary Files.

Copyright and License information:  ©2019 Yi, Pei, Zhang, Zhu, Wang, Chen, Li, Long, Tan, Zhou, Liu, Li, Zhou, Song, Li, Liao, Li, Sun, Pei, Zee and Chen.
This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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