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Background
About 20%–40% of patients diagnosed with ductal carcinoma in situ (DCIS) by core needle biopsy (CNB) will develop invasive cancer at the time of excision. Improving the preoperative diagnosis of DCIS is important for surgical planning.
Purpose
To establish an MRI‐based radiomics nomogram for preoperatively evaluating the upstaging of DCIS patients and help with risk stratification.
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