A Study on the Epidemiology and Testing of Human Epidermal Growth Factor-Receptor 2 (HER2) in Breast Cancer in Germany
A Study on the Epidemiology and Testing of Human Epidermal Growth Factor-Receptor 2 (HER2) in Breast Cancer in Germany
This non-interventional study will collect data from routine diagnostics on HER2 testing of
 breast cancer in Germany.
Inclusion Criteria:

 -  Samples derived from men and women of age greater than or equal to (>/=) 18 years

 -  Samples derived from participants with any stage of histologically confirmed invasive
 breast cancer with HER2 diagnostics performed within routine (histo-)pathological
 workup or

 -  (Histo-)Pathological work-up of the tumor sample as at or after start of this study

 -  Available information on the year of birth of the participant

 -  No pre-selection of tumor samples is allowed. Tumor samples have to be documented
 consecutively in the order of their (histo-)pathological work-up.

 Exclusion Criteria:

 -  Sample derived from participants with any stage of breast cancer with no HER2
 diagnostics performed at the time of routine (histo-)pathological work-up.

 -  Samples derived prior to the start of this study.