Evidence map›Paper›PMID 25945396›Full record

ArticleHistopathology2016

The number and ratio of positive lymph nodes affect pancreatic cancer patient survival after neoadjuvant therapy and pancreaticoduodenectomy.

Laurice K Fischer, Matthew H Katz, Sun M Lee, Li Liu, Hua Wang, Gauri R Varadhachary, Robert A Wolff, Jeffrey E Lee, Anirban Maitra, Christina L Roland and 4 more

Abstract read
In one paragraph

Article in Histopathology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed, 3 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

29 citing papers in PubMed, 3 syntheses or guidelines pooled it.

  1. Pooled it
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  10. The short- and long-term outcomes of pancreaticoduodenectomy for distal cholangiocarcinoma.Biomedical papers of the Medical Faculty of the University Palacky, Olomouc, Czechoslovakia · 2022
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  17. Unexpected Para-aortic Lymph Node Metastasis in Pancreatic Ductal Adenocarcinoma: a Contraindication to Resection?Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract · 2020
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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

14 authors.

Laurice K FischerDepartment of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Matthew H KatzDepartment of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Sun M LeeDepartment of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Li LiuDepartment of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Hua WangDepartment of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Gauri R VaradhacharyDepartment of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Robert A WolffDepartment of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Jeffrey E LeeDepartment of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Anirban MaitraDepartment of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Christina L RolandDepartment of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Jason B FlemingDepartment of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Jeannelyn EstrellaDepartment of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Asif RashidDepartment of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Huamin WangDepartment of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.

Funding

Tumor Evolution and Metastasis ProgramP30CA016672 · NCI · UNIVERSITY OF TX MD ANDERSON CAN CTR · PI Scott Kopetz · 1985 to 2026
$290.8M
Proteasome-mediated Degradation of Hematopoietic Progenitor Kinase 1 in PancreatiR21CA149544 · NCI · UNIVERSITY OF TX MD ANDERSON CAN CTR · PI WANG, HUAMIN · 2011 to 2012
$378k
NCI NIH HHS P30 CA016672NCI NIH HHS R21 CA149544
6 · The paper itself

Abstract

aimsThis study is to examine the significance of the number and ratio of positive nodes in post-neoadjuvant therapy pancreaticoduodenectomy (PD) for pancreatic ductal adenocarcinoma (PDAC). METHODS AND

resultsOur study population consisted of 398 consecutive PDAC patients, who completed neoadjuvant therapy and PD between 1999 and 2012. Lymph node status was classified as ypN0 (node-negative), ypN1 (1-2 positive nodes) and ypN2 (≥3 positive nodes) and correlated with disease-free survival (DFS) and overall survival (OS). The ypN0, ypN1 and ypN2 was present in 183 (46.0%), 117 (29.4%) and 98 (24.6%) patients, respectively. Additionally, 162 (40.7%) had a lymph node ratio (LNR) ≤0.19 and 53 (13.3%) had a LNR >0.19. Patients with ypN1 disease had shorter DFS and OS than those with ypN0 disease, but better DFS and OS than those with ypN2 disease (P < 0.05). Similarly, patients with a LNR ≤ 0.19 had better DFS and OS than those with a LNR > 0.19 (P < 0.001). In multivariate analysis, both the number of positive nodes and LNR were independent prognostic factors for DFS and OS.

conclusionsSubclassification of post-therapy node-positive group into ypN1 (1-2 positive nodes) and ypN2 (≥3 positive nodes) should be incorporated into the American Joint Committee on Cancer (AJCC) staging of PDAC patients.

Indexed as

PancreaticoduodenectomyAdultAgedAged, 80 and overCarcinoma, Pancreatic DuctalCohort StudiesDisease-Free SurvivalFemaleHumansKaplan-Meier EstimateLymph NodesMaleMiddle AgedNeoadjuvant TherapyPancreasPancreatic Neoplasmslymph node rationumber of positive nodespancreatic cancerprognosissurvival

Identifiers

PMID25945396
PMCPMC4636488

What OpenQuestion holds

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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.