Study hints at less surgery for certain breast cancers
NCT ID NCT07211451
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This completed study looked at over 1,500 women with early-stage HER2-positive or triple-negative breast cancer who had no signs of cancer in their lymph nodes on ultrasound. All had breast-conserving surgery with lymph node removal. The goal was to see how often cancer actually spread to the nodes, and whether some patients could safely skip the lymph node biopsy in the future. The findings could lead to less invasive surgery for selected patients.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
What this could lead to
If successful, this could help some breast cancer patients avoid unnecessary lymph node surgery, reducing side effects like arm swelling.
What could go wrong
This is an observational analysis of past data, not a clinical trial testing a new treatment. The findings need confirmation in future studies before changing practice.
Disclaimer
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This is a summary of
the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Gangnam Severance Hospital, Yonsei University College of Medicine
Seoul, Please Select, 06273, South Korea