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Table 3 The number of TP, TN, FN, and FP for frozen section analysis compared to permanent section analysis for confirming the presence of metastatic disease within sentinel lymph node candidates for invasive lobular carcinomas and invasive ductal carcinomas

From: Comparison of intraoperative frozen section analysis for sentinel lymph node biopsy during breast cancer surgery for invasive lobular carcinoma and invasive ductal carcinoma

  ILC IDC Total cases P-value
TP 36 33 69 0.622
TN 77 89 166 0.171
FN 18 11 29 0.155
FP 0 0 0 ------
Total 131 133 264  
  1. ILC, invasive lobular carcinoma; IDC, invasive ductal carcinoma; TP, true positive; TN, true negative; FP, false positive; FN, false negative