This is in agreement with a previous paperby Abraham et al. [86] that foundno correlation between CD44+/CD24−/low tumor cellprevalence and tumor progression, in terms of event-free and overall survival.Conversely and quite surprisingly, the prevalence of CD44−/CD24+ tumor cells was found to exert an unfavorable impact on patients' relapse-freeand overall survival. Here, CD44 is linked to neoplasm.