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This study examines the characteristics and outcomes of young patients who underwent surgery for early-stage breast cancer. It enrolls patients aged 20 to 40 who were operated on at Peking Union Medical College Hospital and have pathological information available. It is an observational study with no assigned phase and is currently active but not recruiting new participants (active, not recruiting).
The summary above is a plain-language rendering of the official record. The original English title is shown for reference.
Criteria are reproduced from the ClinicalTrials.gov record in the original English. Only the trial team can determine eligibility.
Inclusion Criteria: * patients with breast cancer received operation in Peking Union Medical College Hospital * age ≤40 year old and ≥20 years old * treatment regimen was made in Peking Union Medical College Hospital Exclusion Criteria: * patients without pathological information * patients with metastasis * patients with history of other malignant tumor (except for completely cured cervical carcinoma in situ or basal cell carcinoma or squamous cell skin carcinoma) * patients with palliative resection of breast