410 Fine Needle Aspiration Biopsy of Breast Specimens Effectively Harvests Cells for Patient-Derived Organoids Modeling Breast Ductal Carcinoma In Situ.

Julia Ye, Nadine Goldhammer, Poonam Vohra, Chaelee Park, Cristian Maldonado Rodas, Mark Moasser, Shoko Abe, Michael Alvarado, Cheryl Ewing, Karen Goodwin, Rita Mukhtar, Jasmine Wong, Laura Esserman, Ron Balassanian, Jennifer Rosenbluth