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<p>Tumor biologic risk has replaced anatomic disease burden for guiding chemotherapy use in HR-positive, early-stage breast cancer. Recent surgical trials support less frequent axillary lymph node dissection, potentially impacting incidence of N2-3 diagnoses. As the field considers applying genomic risk assessment tools for locally advanced, operable HR-positive breast cancer, we estimated current incidence of these cancers, focusing on HR-positive/HER2-negative disease. Of 486,031 cases recorded with Stage I-III HR-positive/HER2-negative disease in the U.S. National Cancer Institute Surveillance, Epidemiology, and End Results-17 database (2010–2021), 28,585 (5.9%) and 23,307 (4.8%) had N2-3M0(Any T) and T3-4N0-1M0 disease, respectively. Invasive lobular cancer, observed across all disease stages and receptor-based subtypes, was highest in HR-positive/HER2-negative locally advanced disease. Incidence of N2-3M0(Any T) decreased for each subtype. Incidence of T3-4N0-1M0 increased for HR-positive/HER2-negative disease but not for the other subtypes. Defining chemotherapy benefit for patients with locally advanced, operable HR-positive breast cancer remains an important clinical question.</p>

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Evolving incidence patterns for locally advanced operable breast cancer by receptor status: SEER 2010–2021

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年11月13日

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  • Alexandra Thomas,
  • Anthony Rhoads,
  • Erica L. Mayer,
  • Seamus O’Reilly,
  • Nadia Harbeck,
  • Giuseppe Curigliano,
  • Yang Zhou,
  • Virginie Adam,
  • Nancy Chan,
  • Kristin M. Conway,
  • Michail Ignatiadis,
  • Kevin Kalinsky,
  • Angela DeMichele,
  • Paul A. Romitti

摘要

Tumor biologic risk has replaced anatomic disease burden for guiding chemotherapy use in HR-positive, early-stage breast cancer. Recent surgical trials support less frequent axillary lymph node dissection, potentially impacting incidence of N2-3 diagnoses. As the field considers applying genomic risk assessment tools for locally advanced, operable HR-positive breast cancer, we estimated current incidence of these cancers, focusing on HR-positive/HER2-negative disease. Of 486,031 cases recorded with Stage I-III HR-positive/HER2-negative disease in the U.S. National Cancer Institute Surveillance, Epidemiology, and End Results-17 database (2010–2021), 28,585 (5.9%) and 23,307 (4.8%) had N2-3M0(Any T) and T3-4N0-1M0 disease, respectively. Invasive lobular cancer, observed across all disease stages and receptor-based subtypes, was highest in HR-positive/HER2-negative locally advanced disease. Incidence of N2-3M0(Any T) decreased for each subtype. Incidence of T3-4N0-1M0 increased for HR-positive/HER2-negative disease but not for the other subtypes. Defining chemotherapy benefit for patients with locally advanced, operable HR-positive breast cancer remains an important clinical question.