To the Editor We read the study by Kwon et al1 with great interest. They concluded that fluorescent lymphography was helpful for a complete and thorough lymphadenectomy during robotic gastric cancer surgery. They performed a prospective single-arm study with histological control comparison. The results showed that fluorescent lymphography robotic gastrectomy had a higher mean number of retrieved lymph nodes than common robotic gastrectomy (48.9 vs 35.2; P < .001). We also do some research about the prognostic meaning in the numbers of harvested lymph nodes for gastrectomy2-4; therefore, the results of the numbers of lymph nodes harvested between groups were very impressive to us.
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Wu W, Zhang W, Zhu T. Application of Fluorescent Lymphography Technique in Lymphadenectomy of Gastrectomy. JAMA Surg. 2019;154(7):671–672. doi:10.1001/jamasurg.2019.0156
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