Representative fluorescence microscopic views of singular and clustered CTCs derived from equal amounts of EDTA blood (7.5 ml) of patients with SCCHN and NSCLC isolated with EpCAM mAb and cmHsp70.1 mAb-functionalized beads that were counter-stained with DAPI, CK-FITC, EpCAM-PE are shown in Figures 6A,B. The gene discussed is EPCAM; the disease is head and neck squamous cell carcinoma.