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Table 5 Diagnostic agreement between the original report and later review of DCIS

From: Inter-observer variability between general pathologists and a specialist in breast pathology in the diagnosis of lobular neoplasia, columnar cell lesions, atypical ductal hyperplasia and ductal carcinoma in situ of the breast

  DCIS report review
Original DCIS report Absent LG DCIS IG DCIS HG DCIS US DCIS MIC DCIS Total
Absent 333 16 9 19 3 0 380
LG DCIS 16 32 9 0 2 0 59
IG DCIS 8 7 23 12 1 1 53
HG DCIS 6 3 5 72 2 2 90
US DCIS 8 5 3 3 6 0 25
MIC DCIS 0 0 0 1 0 2 3
Total 372 63 49 107 14 5 610
  1. DCIS: ductal carcinoma in situ; LG DCIS: low-grade carcinoma in situ; IG DCIS: intermediate grade carcinoma in situ; HG DCIS: high-grade carcinoma in situ; US DCIS: unspecified carcinoma in situ; MIC DCIS: microinvasive carcinoma in situ.