“…In relation to the degree of toxicity, the National Cancer Institute of the United States (NCI) published in 2010, the 4 th volume of the Common Terminology Criteria for Adverse Events (CTCAE). It is a descriptive terminology of toxicity of chemotherapeutic agents, accompanied by a severity scale (grades 0 to 5), according to the organic systems involved (BERTOLAZZI et al, 2015). In this way, the grades of toxicity of chemotherapeutic agents are defined as: Grade 0: no occurrence of adverse event or within normal values; Grade 1: mild, without medical intervention, asymptomatic and only detected on radiographic or laboratory findings; Grade 2: Moderate, with minimal intervention, local or noninvasive intervention; Grade 3: severe and undesirable, significant symptoms that require hospitalization or invasive intervention, blood transfusion, radiological intervention, elective surgery; Grade 4: life-threatening or incapacitating, with physiological consequences that need intensive care or emergency invasive procedures; Grade 5: death (BONASSA; 2012).…”