Evidence map›Paper›PMID 31032093›Full record

ArticleJournal of gastrointestinal oncology2019

Outcome of head compared to body and tail pancreatic cancer: a systematic review and meta-analysis of 93 studies.

Gianluca Tomasello, Michele Ghidini, Antonio Costanzo, Antonio Ghidini, Alessandro Russo, Sandro Barni, Rodolfo Passalacqua, Fausto Petrelli

Abstract read
In one paragraph

Article in Journal of gastrointestinal oncology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
49citing 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

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

  1. Pooled it
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  13. Long-term aspirin use influences the probability of distant metastases and operability in patients with pancreatic ductal adenocarcinoma: a single-center retrospective study.Reports of practical oncology and radiotherapy : journal of Greatpoland Cancer Center in Poznan and Polish Society of Radiation Oncology · 2025
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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

8 authors.

Gianluca TomaselloOncology Department, ASST Ospedale di Cremona, Cremona, Italy.
Michele GhidiniOncology Department, ASST Ospedale di Cremona, Cremona, Italy.
Antonio CostanzoSurgical Oncology Unit, Surgery Department, ASST Bergamo Ovest, Treviglio (BG), Italy.
Antonio GhidiniOncology Unit, Casa di cura Igea, Milano, Italy.
Alessandro RussoSurgical Oncology Unit, Surgery Department, ASST Bergamo Ovest, Treviglio (BG), Italy.
Sandro BarniOncology Unit, Oncology Department, ASST Bergamo Ovest, Treviglio (BG), Italy.
Rodolfo PassalacquaOncology Department, ASST Ospedale di Cremona, Cremona, Italy.
Fausto PetrelliOncology Unit, Oncology Department, ASST Bergamo Ovest, Treviglio (BG), Italy.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundEven when resectable pancreatic cancer (PC) is associated with a dismal prognosis. Initial presentation varies according with primary tumor location. Aim of this systematic review and meta-analysis was to evaluate the prognosis associated with site (head versus body/tail) in patients with PC.

methodsWe searched PubMed, Cochrane Library, SCOPUS, Web of Science, EMBASE, Google Scholar, LILACS, and CINAHL databases from inception to March 2018. Studies reporting information on the independent prognostic role of site in PC and comparing overall survival (OS) in head versus body/tail tumors were selected. Data were aggregated using hazard ratios (HRs) for OS of head versus body/tail PC according to fixed- or random-effect model.

resultsA total of 93 studies including 254,429 patients were identified. Long-term prognosis of head was better than body/tail cancers (HR =0.96, 95% CI: 0.92-0.99; P=0.02). A pooled HR of 0.95 (95% CI: 0.92-0.99, P=0.02) from multivariate analysis only (n=77 publications) showed that head site was an independent prognostic factor for survival.

conclusionsPrimary tumor location in the head of the pancreas at the time of diagnosis is a predictor of better survival. Such indicator should be acknowledged when designing future studies, in particular in the operable and neoadjuvant setting.

Indexed as

headmeta-analysisPancreatic cancer (PC)survivaltail

Identifiers

PMID31032093
PMCPMC6465486

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.