Institution: | 1.Department of Radiation Oncology, AC Camargo Cancer Center, São Paulo, Brazil; 2.Department of Onco-Hematology, AC Camargo Cancer Center, São Paulo, Brazil; 3.Department of Onco-Hematology, Centro Paulista de Oncologia, São Paulo, Brazil; 4.Department of Anatomic Pathology, AC Camargo Cancer Center, São Paulo, Brazil |