Fig. 2

In vivo photoacoustic lymphangiography. A Schematic diagram of photoacoustic lymphangiography based on ICG. B Photoacoustic lymphangiography evaluates the postoperative patency of lymphaticovenular anastomosis [27, 42, 73]. Copyright © 2023 Science Foundation of China Publication Department, National Natural Science Foundation of China. Publishing Services by Elsevier B.V. on behalf of KeAi Communications Co. Ltd. Copyright © 2021 PRS Global Open