Discordance in HER2 gene amplification in circulating and disseminated tumor cells in patients with operable breast cancer oleh Savitri Krishnamurthy, Farideh Bischoff, Julie Ann Mayer, Karina Wong, Tam Pham, Henry Kuerer, Ashutosh Lodhi, Anirban Bhattacharyya, Carolyn Hall, Anthony Lucci