Evidence map›Paper›PMID 35340267›Full record

ArticleFrontiers in oncology2022

The Least Nodal Disease Burden Defines the Minimum Number of Nodes Retrieved for Esophageal Squamous Cell Carcinoma.

Hanlu Zhang, Xiuji Yan, Yu-Shang Yang, Hong Yang, Yong Yuan, Dong Tian, Yin Li, Zhi-Yong Wu, Yun Wang, Jian-Hua Fu and 1 more

Abstract read
In one paragraph

Article in Frontiers in oncology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

4 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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4 · The record

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PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors.

Hanlu ZhangDepartment of Thoracic Surgery, West China Hospital of Sichuan University, Chengdu, China.
Xiuji YanDepartment of Plastic and Burns Surgery, West China Hospital of Sichuan University, Chengdu, China.
Yu-Shang YangDepartment of Thoracic Surgery, West China Hospital of Sichuan University, Chengdu, China.
Hong YangDepartment of Thoracic Oncology, Sun Yatsen University Cancer Center, Guangzhou, China.
Yong YuanDepartment of Thoracic Surgery, West China Hospital of Sichuan University, Chengdu, China.
Dong TianDepartment of Thoracic Surgery, West China Hospital of Sichuan University, Chengdu, China.
Yin LiDepartment of Thoracic Surgery, Cancer Hospital Chinese Academy of Medical Sciences, Beijing, China.
Zhi-Yong WuDepartment of Oncology Surgery, Affiliated Shantou Hospital of Sun Yat-sen University, Shantou, China.
Yun WangDepartment of Thoracic Surgery, West China Hospital of Sichuan University, Chengdu, China.
Jian-Hua FuDepartment of Thoracic Oncology, Sun Yatsen University Cancer Center, Guangzhou, China.
Long-Qi ChenDepartment of Thoracic Surgery, West China Hospital of Sichuan University, Chengdu, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Clinically, a single positive lymph node (SPLN) should indicate the least nodal disease burden in node-positive patients with esophageal squamous cell carcinoma (ESCC) and may also be used to define the minimum number of examined lymph nodes (NELNs) in ESCC patients. Methods: Data from three Chinese cohorts of 2448 ESCC patients who underwent esophagectomy between 2008 and 2012 were retrospectively analyzed. Based on lymph node status, patients were divided into two groups: N0 ESCC and SPLN ESCC. A Cox proportional hazards regression model was used to determine the minimum NELNs retrieved to maximize survival for ESCC patients with localized lymph node involvement. The results were then validated externally in the SEER database. Results: A total of 1866 patients were pathologically diagnosed with N0 ESCC, and 582 patients were diagnosed with SPLN ESCC. The overall survival rate of patients with N0 ESCC was significantly better than that of patients with SPLN ESCC (HR 1.88, 95% CI 1.64-2.13, Conclusions: A minimum of 20 lymph nodes retrieved should be introduced as a quality indicator for ESCC patients with localized lymph node involvement.

Indexed as

esophageal squamous cell carcinomalymph node countlymph node dissectionprognosissurgery

Identifiers

PMID35340267
PMCPMC8948424

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.