Additional file 4 of Circulating tumor cells and palbociclib treatment in patients with ER-positive, HER2-negative advanced breast cancer: results from a translational sub-study of the TREnd trial

Additional file 4: Figure S4. Images of a patient sample CTCs. Images of CTCs identified by A) Cell Search system, B) DEP array. C) 2-D plot RB1- droplets positive for Rb1 expression, GAPDH- droplets positive for GAPDH; RB1+ GAPDH- droplets positive for both RB1 and GAPDH.