PLD 35mg/m2 in combination with paclitaxel showed an overall response rate of 71% ,tolerating toxicity of the skin(3% hand-foot syndrome)and rare cardiac event( H. Gogas1, Annals of Oncology, 2002;Gil-Gil , Breast Cancer Res Treat. 2015)However, There are a crucial question is to know if 35mg/m2 PLD has equivalent efficacy with less cardiac toxicity compared with 60 mg/m2 DOX in adjuvant chemotherapy for all patients.