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Table 6 Number of cases and percentage agreement between Office for National Statistics and National Health Service Breast Screening Programme in relation to invasive ductal carcinoma, ductal carcinoma in situ and other invasive and non-invasive histologies in participants of the Million Women Study

From: Breast cancer histological classification: agreement between the Office for National Statistics and the National Health Service Breast Screening Programme

 

ONS assigned histology code

 

Invasive ductal carcinoma

Ductal carcinoma in situ

NHSBSP histology

    

   Invasive ductal carcinoma

3,017

93%

30

<1%

   Other specified invasive histology

90

3%

4

<1%

   Other non-specified invasive histology

19

<1%

16

2%

   Ductal carcinoma in situ

101

3%

976

95%

   Other specified non-invasive histology

1

<1%

6

<1%

   Other non-specified non-invasive histology

0

0

0

0

Total

3,228

100%

1,032

100%

  1. NHSBSP, National Health Service Breast Screening Programme; ONS, Office for National Statistics.