Overexpression of HER2 protein has been described in some cancer types. HER2 protein is a target for HER2-specific treatments. HercepTest™ pharmDx kits are available for immunohistochemical determination of HER2 protein overexpression using Dako Omnis, Automated Link Platforms, Dako Autostainer or manually. Please see product details for validated tumor indications and intended use.