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. 2021 May 5;11:621914. doi: 10.3389/fonc.2021.621914

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Copyright © 2021 Wang, Yang, Wang, Liu, Pan, Han and Pei

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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Intraoperative fluorescence imaging of lymph nodes. (A) Left one: Intraoperative fluorescence imaging of lymph nodes with the LFIS. (B) Right one: Intraoperative fluorescence imaging of lymph nodes with the Langfang Vascular imager.