ArticleClinical cancer research : an official journal of the American Association for Cancer Research2023
Clinical Behavior and Molecular Landscape of Stage I p53-Abnormal Low-Grade Endometrioid Endometrial Carcinomas.
Article in Clinical cancer research : an official journal of the American Association for Cancer Research, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 30 citations in OpenAlex.
- Maintenance olaparib after platinum-based chemotherapy for advanced/metastatic endometrial cancer: GINECO randomized phase IIb UTOLA trial.Nature communications · 2025Trial
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- Decoding the 2023 FIGO Staging System in Endometrial Cancer: A Practical, Visually Guided Framework for Molecular Risk-Adapted Care Incorporating the 2025 Risk Group Update.Current oncology reports · 2026Review
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- Predictive value of immunohistochemical parameters combined with clinicopathological features in predicting recurrence after lymph node resection in endometrial cancer patients.American journal of translational research · 2026Article
- Evaluation of the TCGA-Surrogate (ProMisE) Molecular Classification and Clinical Features of Endometrial Carcinoma: A Study of 97 Cases from China.International journal of women's health · 2026Article
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- Low-Grade Endometrial Cancer with Abnormal p53 Expression as a Separate Clinical Entity: Insights from RNA Sequencing and Immunohistochemistry.Diagnostics (Basel, Switzerland) · 2025Article
- Article
- FBXW7 Directly Ubiquitinates and Degrades CTNNB1 Mediating the Suppression of ENKUR in Endometrial Cancer.International journal of biological sciences · 2025Article
- Targeted and Shallow Whole-Genome Sequencing Identifies Therapeutic Opportunities in p53abn Endometrial Cancers.Clinical cancer research : an official journal of the American Association for Cancer Research · 2024Article
- Review
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Authors and funding
22 authors at 13 institutions in 7 countries.
Funding
Abstract
purposeThe clinical significance of the p53-abnormal (p53abn) molecular subtype in stage I low-grade endometrioid endometrial carcinoma (EEC) is debated. We aimed to review pathologic and molecular characteristics, and outcomes of stage I low-grade p53abn EEC in a large international cohort. EXPERIMENTAL
designPreviously diagnosed stage I p53abn EC (POLE-wild-type, mismatch repair-proficient) low-grade EEC from Canadian retrospective cohorts and PORTEC-1&2 trials were included. Pathology review was performed by six expert gynecologic pathologists blinded to p53 status. IHC profiling, next-generation sequencing, and shallow whole-genome sequencing was performed. Kaplan-Meier method was used for survival analysis.
resultsWe identified 55 stage I p53abn low-grade EEC among 3,387 cases (2.5%). On pathology review, 17 cases (31%) were not diagnosed as low-grade EEC by any pathologists, whereas 26 cases (47%) were diagnosed as low-grade EEC by at least three pathologists. The IHC and molecular profile of the latter cases were consistent with low-grade EEC morphology (ER/PR positivity, patchy p16 expression, PIK3CA and PTEN mutations) but they also showed features of p53abn EC (TP53 mutations, many copy-number alterations). These cases had a clinically relevant risk of disease recurrence (5-year recurrence-free survival 77%), with pelvic and/or distant recurrences observed in 12% of the patients.
conclusionsA subset of p53abn EC is morphologically low-grade EEC and exhibit genomic instability. Even for stage I disease, p53abn low-grade EEC are at substantial risk of disease recurrence. These findings highlight the clinical relevance of universal p53-testing, even in low-grade EEC, to identify women at increased risk of recurrence.
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