ArticleBreast care (Basel, Switzerland)2022
Long-Term Survival Outcomes of Patients with Small (≤1 cm) Node-Negative HER2-Positive Breast Cancer Not Treated with Adjuvant Anti-HER2-Targeted Therapy: A 10-Year Follow-Up Study.
Article in Breast care (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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.
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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.
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Who cites it
1 citing paper in PubMed, 4 citations in OpenAlex.
- Trends in the Management of Small HER2-Positive Breast Cancers.Annals of surgical oncology · 2025Article
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Authors and funding
4 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Introduction: Human epidermal growth factor receptor 2 (HER2) expression is considered an unfavourable prognostic factor in early breast cancer when the patients are not treated with HER2-targeted therapy. However, the long-term prognostic importance of HER2 expression in small (≤1 cm, stage pT1a-b), node-negative HER2* breast cancer is still incompletely known. Methods: A retrospective analysis was performed based on a prospectively collected database including patients with pT1 breast cancer operated at the Helsinki University Hospital, Finland, between March 2000 and April 2006. In this database, 44 patients with pT1a-bN0M0, HER2* cancer, not treated with adjuvant anti-HER2-targeted therapy (the HER2* group) and 291 pT1a-bN0M0, hormone receptor-positive, HER2-negative cancers (the ER*/HER2- group) were identified and included in the study. Survival outcomes were analysed using the Kaplan-Meier method. Results: The median follow-up time was 9.7 years after primary breast surgery. Ten-year distant disease-free survival (DDFS) was 84.0% in the HER2* group and 98.2% in the ER*/HER2- group ( Conclusions: Cancer HER2 status is strongly associated with unfavourable DDFS during the first decade of follow-up in patients with small (pT1a-bN0M0) breast cancer when adjuvant anti-HER2-targeted treatment is not administered.
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