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The Sister Study

Incident breast cancer

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First Breast Cancer Diagnosis (Any Type: LCIS, DCIS or Invasive)

For information on the first breast cancer diagnosis [lobular carcinoma in situ (LCIS), ductal carcinoma in situ (DCIS) or invasive breast cancer] reported to the Sister Study as of the current data release, click below. Information includes the number and distribution by type (in situ/invasive, ductal/lobular); hormone receptor status; stage at diagnosis; and selected characteristics of diagnosed participants.

Click here:
First Breast Cancer Diagnosis: Data Release 6.0

First DCIS or Invasive Breast Cancer Diagnosis

For information on the first diagnosis of either DCIS or invasive breast cancer reported to the Sister Study (regardless of possible prior LCIS diagnosis) as of the current data release, click below. Information includes the number and distribution by type (in situ/invasive, ductal/lobular); hormone receptor status; stage at diagnosis; and selected characteristics of diagnosed participants.

Click here:
First DCIS or Invasive Breast Cancer Diagnosis: Data Release 6.0

First Invasive Breast Cancer Diagnosis

Variables for the first invasive breast cancer diagnosis are also available. A participant diagnosed with a first invasive breast cancer may have a prior diagnosis of LCIS and/or DCIS.

 

For breast cancer validation rates for the current data release, click on the link below:

Breast Cancer Validation: Data Release 5.0

 

 

 

 

 

 

 

 


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