CSF3 and cancer: The preventive use of G-CSF in cancer patients undergoing chemotherapy according to current international guidelines can help overcome the frequent problem of chemotherapy-related myelotoxicity (Crawford et al. 1991, 2005; Messori et al. 1996; Aapro et al. 2006; Gabrilove 2006; Kuderer et al. 2006, 2007; NCCN 2012).