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Table 2 Diagnostic accuracy of frozen section pathology compared to permanent pathology

From: How accurate is frozen section pathology compared to permanent pathology in detecting involved margins and lymph nodes in breast cancer?

Method of diagnosis    Margins (n = 1742) Lymph nodes (n = 1702)
Frozen section Positive True 22 523
   False 90 22
   Total number 112 545
  Negative True 1610 1080
   False 20 77
   Total number 1630 1157
Permanent pathology Positive - 42 600
  Negative - 1700 1102