An Observational Study on Human Epidermal Growth Factor Receptor (HER) 2 Status of Breast Invasive Carcinoma in Latin American Participants
An Observational Study on Human Epidermal Growth Factor Receptor (HER) 2 Status of Breast Invasive Carcinoma in Latin American Participants
This is a descriptive, prospective, observational and epidemiological study on participants
 recently diagnosed with breast cancer to evaluate the HER2 status by IHC and SISH procedures.
Inclusion Criteria:

 - Anatomopathological samples (surgical specimens or when a surgical sample is not
 possible, a core needle biopsy may be used) from female participants with a
 histopathological diagnosis of invasive breast cancer

 Exclusion Criteria:

 -  Samples whose residual material in the paraffin block(s) is insufficient for neoplasm
 representation in the procedures in this study

 -  Cancer samples that have received previous chemotherapy treatment