Fig. 1From: Integrated EpCAM-independent subtraction enrichment and iFISH strategies to detect and classify disseminated and circulating tumors cellsSummary of clinical significance of detecting CTCs. Clinical utilities of detection of CTCs, which are classified into four main categories of prior (blue), under (red) and post (green) therapy as well as R&D (yellow), are summarized in the subway map. Distinct significance of CTC is shown at different stationBack to article page