Evidence map›Paper›PMID 27293832›Full record

ArticleJournal of thoracic disease2016

Gross tumor volume is the prognostic factor for squamous cell esophageal cancer patients treated with definitive radiotherapy.

Yun Chen, Zhen Zhang, Guoliang Jiang, Kuaile Zhao

Abstract read
In one paragraph

Article in Journal of thoracic disease, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing 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

30 citing papers in PubMed.

  1. Dose escalation based onRadiation oncology (London, England) · 2022
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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

4 authors.

Yun ChenDepartment of Radiation Oncology, Fudan University Shanghai Cancer Center, Fudan University, Shanghai 200032, China.
Zhen ZhangDepartment of Radiation Oncology, Fudan University Shanghai Cancer Center, Fudan University, Shanghai 200032, China.
Guoliang JiangDepartment of Radiation Oncology, Fudan University Shanghai Cancer Center, Fudan University, Shanghai 200032, China.
Kuaile ZhaoDepartment of Radiation Oncology, Fudan University Shanghai Cancer Center, Fudan University, Shanghai 200032, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundTo investigate whether gross tumor volume (GTV) defined on radiotherapy planning scans a prognostic factor for esophageal squamous cell carcinoma (ESCC) patients treated with definitive radiotherapy.

methodsFrom 2008 to 2011, 187 ESCC patients who were treated with definitive radio(chemo)therapy were analyzed retrospectively. Tumor volumes such as GTV, gross tumor volume of primary esophageal cancer (GTV-P), and gross tumor volume of metastases lymph nodes (GTV-N) were computed by Philips Healthcare radiation therapy planning system (Pinnacle 8.0). Kaplan-Meier cumulative probability and Cox proportional hazards regression models were used to assess the effect of the clinical factors along with tumor volume on progression-free survival (PFS) and overall survival (OS).

resultsIn the univariate analysis, fraction dose, TNM stage, total radiation dose, GTV, GTV-P, and GTV-N were all significantly associated with both OS and PFS (P<0.05). While in multivariate analysis, GTV and fraction dose were significantly associated with both OS and PFS (adjusted P<0.05) with adjustment for age, sex, smoking status, chemotherapy, fraction dose, GTV, and radiation dose.

conclusionsGTV may serve as a good prognostic factor for ESCC patients treated with definitive radiotherapy. Larger prospective studies are needed to validate these findings.

Indexed as

esophageal cancerprognostic factorRadiation therapytumor volume

Identifiers

PMID27293832
PMCPMC4886004

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