Evidence map›Paper›PMID 40282933›Full record

ReviewMedicina (Kaunas, Lithuania)2025

HER2-Low Breast Cancer-Current Knowledge and Future Directions.

Abeer M Shaaban, Tanvier Kaur, Elena Provenzano

Abstract readReview
In one paragraph

Review in Medicina (Kaunas, Lithuania), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing 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

12 citing papers in PubMed.

  1. Article
  2. Redefining breast cancer: therapeutic opportunities in HER2-low and emerging molecular subtypes.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2026
    Review
  3. Article
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  8. Article
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  11. Article
  12. Transformer-BasedDiagnostics (Basel, Switzerland) · 2025
    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

3 authors.

Abeer M ShaabanDepartment of Cellular Pathology, Queen Elizabeth Hospital Birmingham, Birmingham B15 2GW, UK.ORCID 0000-0001-5784-8705
Tanvier KaurDepartment of Cellular Pathology, New Cross Hospital, Wolverhampton WV10 0QP, UK.
Elena ProvenzanoDepartment of Histopathology, Addenbrookes Hospital, Cambridge CB2 0QQ, UK.

Funding

CRUK C17422/A25154
6 · The paper itself

Abstract

The concept of binary classification of HER2 status has recently been challenged following the DESTINY-Breast trial data showing a clinically meaningful response to antibody-drug conjugates (ADCs) in invasive breast cancer expressing low levels of HER2. HER2-low breast cancer is defined as an immunohistochemistry (IHC) score of 1+ and 2+ without HER2 gene amplification. While HER2-low breast cancer does not represent a biological entity, it encompasses both hormone receptor-positive and triple-negative breast cancer. Differences exist between this group and HER2-null breast cancer. In this review, we provide an update on HER2-low and HER2-ultralow breast cancer, including background trial data, the evolution of HER2-low expression, current clinical guidelines, quality issues, and future directions.

Indexed as

Breast NeoplasmsErb-b2 Receptor Tyrosine KinasesFemaleHumansImmunohistochemistryERBB2 protein, humanErb-b2 Receptor Tyrosine Kinasesantibody–drug conjugateartificial intelligencebreast cancerHER2-lowHER2-ultralowT-DXd

Identifiers

PMID40282933
PMCPMC12028887

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.