Merged HER2 summary

Source of standard: CDC’s National Program of Cancer Registries

Source item name: Combined from CS Site-Specific Factor 15 (breast) and HER2 Overall Summary

Source item number: Derived from NAACCR 2869external icon (CS Site-Specific Factor 15) and 3855external icon (HER2 Overall Summary from Site-Specific Data Item for breast)

This is a merged variable created using the variables CS Site-Specific Factor 15 (breast) and HER2 Overall Summary and is the summary of results from HER2 testing.

Considerations for Use

Data for this variable are available for female breast cancer cases diagnosed in 2010 or later.

Note: This frequency table is restricted to female breast cancer cases and diagnosis years 2010 or later.

data/merged-HER2-us.json

Note: This frequency table is restricted to central nervous system cases and diagnosis years ≥2011.

data/merged-HER2-uspr.json