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Table 2 Diagnostic accuracy of MRI and PET/CT for axillary staging

From: Reliability of predicting low-burden (≤ 2) positive axillary lymph nodes indicating sentinel lymph node biopsy in primary operable breast cancer — a retrospective comparative study with PET/CT and breast MRI

  1. PET/CT positron emission tomography fused with computed tomography, MRI magnetic resonance imaging, N0 patients with no metastatic axillary lymph nodes (ALNs), N1 patients with 1–3 macrometastatic ALNs, N2 patients with 4–9 macrometastatic ALNs, N3 patients with at least 10 macrometastatic ALNs [16]
  2. *p-value < 0.05, p-value (1): PET/CT vs MRI, p-value (2): PET/CT vs PET/CT + MRI,p-value (3): MRI vs PET/CT + MRI