The majority of the genes identified here, including but not limited to CCR1 [36], CCR2 [37], CCR3 [38], ENA78 [39], GPCR [40], GRO1 [41], GRO2/GRO3 [42], IP10 [43], IL-8 [44], NAP-2 [45], PF-4 [46] have been recently shown to associate with the progression of various types of cancer. Here, PF4 is linked to cancer.