Age

18–any

Sex

ALL

Healthy volunteers

Not accepted

Patients diagnosed with breast cancer who underwent MRI and biopsy or surgery of axillary lymph nodes as part of their diagnosis and treatment
Patients of all genders, ages, and stage I-III of breast cancer
Patients who underwent neoadjuvant therapy and have longitudinal imaging data available for analysis (for secondary outcome analysis)

Patients whose MRI images were of insufficient quality for analysis
Patients who had a previous history of breast cancer
Patients with a history of axillary surgery or lymph node dissection prior to the current diagnosis of breast cancer
Patients who received neoadjuvant therapy at another institution

Precision Retrospective Integrative Study for Metastatic Lymph Nodes in Breast Cancer