In which clinical situations, if any, would you use imiquimod for treatment of breast cancer skin metastases?  

Imiquimod is synthetic toll-like receptor (TLR)7 agonist that has immunostimulatory effects when applied topically. Topical application can enhance clearance of human papillomavirus (HPV)-​related genital warts, and might lower cancers associated with HPV, and is approved for that ...