Nephrotic syndrome as a manifestation of thrombotic microangiopathy due to long-term use of sunitinib John Fredy Nieto-Ríos; Camilo Andrés García-Prada; Arbey Aristizabal-Alzate; Gustavo Zuluaga-Valencia; Dahyana Cadavid-Aljure; Lina Maria Serna-Higuita; Luis F. Arias;