“…Accordingly, several works identified a large number of apoptotic CTCs in cancer patients (Larson et al, 2004;Rossi et al, 2010) and, in some studies, a low percentage of apoptotic CTCs has been associated with poorer clinical parameters (Kallergi et al, 2013;Spiliotaki et al, 2014). Accordingly, several works identified a large number of apoptotic CTCs in cancer patients (Larson et al, 2004;Rossi et al, 2010) and, in some studies, a low percentage of apoptotic CTCs has been associated with poorer clinical parameters (Kallergi et al, 2013;Spiliotaki et al, 2014).…”