CRP and cancer: MASCC risk score by the Association for Supportive Care in Cancer, which assesses the risk of adverse outcome in oncologic patients, is also not suitable for children with tumors, since it shows gaps in evidence and requires numerous tests to be made (CRP, procalcitonin, venous blood lactate, proteinemia and phosphatemia evaluation, blood lactate, antithrombin, and VIIa factor levels, and chest x-ray) (31).