Laboratory examinations should follow, according to recent guidelines for the management of FN in children with blood cancer, including complete blood count, electrolytes, measurement of C-reactive protein (CRP), procalcitonin (PCT), d-dimer and renal and liver function tests, along with blood cultures taken from each lumen of the central venous catheter (CVC) [12]. The gene discussed is CRP; the disease is hematopoietic and lymphoid system neoplasm.