EPCAM and endometriosis: A comparison of the number of CECs in endometriosis patients pre- and 1 month post-surgery indicated a drop in CECs from 890 to 219 (patient #11) and 467 to 123 (patient #12) using the cmHsp70.1 mAb-based bead approach, and from 435 to 384 (patient #11) and 384 to 156 (patient #12) using the EpCAM mAb-based bead approach.