Evidence map›Paper›PMID 37394469›Full record

ArticleWorld journal of surgical oncology2023

The value of frozen section diagnosis of tumor spread through air spaces in small-sized (≤ 2 cm) non-small cell lung cancer.

Yun Ding, Shutong Zhao, Xin Liu, Jie Ren, Jiuzhen Li, Weiran Zhang, Meilin Xu, Daqiang Sun

Abstract read
In one paragraph

Article in World journal of surgical oncology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
–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

11 citing papers in PubMed.

  1. Review
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  11. Tumor spread through air spaces in lung cancer: prospective analysis of the accuracy of intraoperative frozen section examination.Jornal brasileiro de pneumologia : publicacao oficial da Sociedade Brasileira de Pneumologia e Tisilogia · 2024
    Article
4 · The record

Corrections and comments

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

8 authors.

Yun DingClinical School of Thoracic, Tianjin Medical University, Tianjin, China.
Shutong ZhaoClinical School of Thoracic, Tianjin Medical University, Tianjin, China.
Xin LiuClinical School of Thoracic, Tianjin Medical University, Tianjin, China.
Jie RenClinical School of Thoracic, Tianjin Medical University, Tianjin, China.
Jiuzhen LiClinical School of Thoracic, Tianjin Medical University, Tianjin, China.
Weiran ZhangClinical School of Thoracic, Tianjin Medical University, Tianjin, China.
Meilin Xu *Clinical School of Thoracic, Tianjin Medical University, Tianjin, China. meilinxugh@163.com.
Daqiang Sun *Clinical School of Thoracic, Tianjin Medical University, Tianjin, China. sdqmd@tju.edu.cn.

Funding

Tianjin Key Medical Discipline (Thoracic Surgery) Construction Project TJYXZDXK-018ATianjin Research Innovation Project for Postgraduate Students 2022BKY167
6 · The paper itself

Abstract

backgroundThe current accuracy of frozen section diagnosis of tumor spread through air spaces (STAS) in non-small cell lung cancer (NSCLC) is poor. However, the accuracy and prognostic value of STAS assessment on frozen sections in small-sized NSCLC (diameter ≤ 2 cm) is unknown.

methodsThree hundred fifty-two patients with clinical stage I NSCLC (≤ 2 cm) were included, of which the paraffin sections and frozen sections were reviewed. The accuracy of STAS diagnosis in frozen sections was assessed using paraffin sections as the gold standard. The relationship between STAS on frozen sections and prognosis was assessed by the Kaplan-Meier method and log-rank tests.

resultsSTAS on frozen sections in 58 of 352 patients could not be evaluated. In the other 294 patients, 36.39% (107/294) was STAS-positive on paraffin sections and 29.59% (87/294) on frozen sections. The accuracy of frozen section diagnosis of STAS was 74.14% (218/294), sensitivity was 55.14% (59/107), specificity was 85.02% (159/187) and agreement was moderate (K = 0.418). In subgroup analysis, the Kappa values for frozen section diagnosis of STAS in the consolidation-to-tumor ratio (CTR) ≤ 0.5 group and CTR > 0.5 group were 0.368, 0.415, respectively. In survival analysis, STAS-positive frozen sections were associated with worse recurrence-free survival in the CTR > 0.5 group (P < 0.05).

conclusionsThe moderate accuracy and prognostic significance of frozen section diagnosis of STAS in clinical stage I NSCLC (≤ 2 cm in diameter; CTR > 0.5) suggests that frozen section assessment of STAS can be applied to the treatment strategy of small-sized NSCLC with CTR > 0.5.

Indexed as

Carcinoma, Non-Small-Cell LungLung NeoplasmsFrozen SectionsHumansNeoplasm InvasivenessNeoplasm Recurrence, LocalNeoplasm StagingParaffinPrognosisRetrospective StudiesParaffinFrozen section AccuracyPrognosisSmall-sized NSCLCTumor spread through air spaces

Identifiers

PMID37394469
PMCPMC10316535

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Registered trials

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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.