Page 47 - Read Online

Page 10 of 12 Na et al. Mini-invasive Surg 2024;8:31 https://dx.doi.org/10.20517/2574-1225.2024.10

Table 4. Number of dissected LNs according to LN stations in the matched groups
AJCC map 8th JES map 11th RE (n = 136) OE (n = 136) P value
1R 101R 104R 2.8 ± 5.8 2.0 ± 6.5 0.27
1L 101L 104L 2.8 ± 6.1 1.4 ± 4.9 0.04
2R (right RLN) 106recR 3.8 ± 3.6 2.0 ± 2.6 < 0.01
2L 4L 10L (left RLN) 106recL 106tbL 6.4 ± 4.8 4.7 ± 4.8 < 0.01
8U 105 0.6 ± 1.5 0.6 ± 1.7 0.83
7 107 6.2 ± 4.1 5.8 ± 4.2 0.30
8M 8L 108 110 112ao 6.5 ± 4.4 5.1 ± 4.6 < 0.01
9 112pul 0.4 ± 1.5 0.6 ± 1.3 0.56
10 109R 109L 0.5 ± 1.2 0.5 ± 0.8 1.00
15 111 0.2 ± 0.6 0.2 ± 0.8 1.00
16 17 1 2 3 7 10.0 ± 8.0 9.5 ± 7.4 0.54
18 8 1.5 ± 2.1 1.6 ± 2.7 0.71
19 11p 11d 0.7 ± 1.4 0.7 ± 1.8 0.94
20 9 0.4 ± 1.0 0.8 ± 1.8 0.01
[37]
This table is cited from Na et al. J Robot Surg. 2022;16:841-8. Springer Nature (https://doi.org/10.1007/s11701-021-01298-1) under the terms
of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/). LNs: Lymph nodes; AJCC:
American Joint Committee on Cancer; JES: Japanese Esophageal Society; RE: robotic esophagectomy; OE: open esophagectomy; RLN: recurrent
laryngeal nerve.

DECLARATIONS
Authors’ contributions
Made substantial contributions to conception and design of the study and performed data analysis and
interpretation: Na B, Kang CH

Availability of data and materials
Not applicable.

Financial support and sponsorship
None.

Conflicts of interest
Kang CH is a consulting doctor for Intuitive Surgical Korea, while Na B declared that he has no conflicts of
interest.

Ethical approval and consent to participate
Not applicable.

Consent for publication
Not applicable.

Copyright
© The Author(s) 2024.

REFERENCES
1. Akiyama H, Tsurumaru M, Kawamura T, Ono Y. Principles of surgical treatment for carcinoma of the esophagus: analysis of lymph
node involvement. Ann Surg 1981;194:438-46. DOI PubMed PMC
2. Akiyama H, Tsurumaru M, Udagawa H, Kajiyama Y. Radical lymph node dissection for cancer of the thoracic esophagus. Ann Surg