Stay Attentive It Can Be Cancer is an application developed by students, professors and professionals from the Federal University of Pernambuco from the Academic Center of Vitória, together with the University of Pernambuco and the Regional Nursing Council of Pernambuco (COREn-PE), which provides the from the Protocol for Early Diagnosis of Pediatric Cancer and Early Diagnosis of Cancer in Children and Adolescents, information that helps nursing professionals to identify the previous diagnosis of cancer. As well as improving their scientific knowledge and expanding the resolution of Primary to Tertiary Health Care, seeking to improve the quality of care in the Unified Health System (SUS).