The need for renal biopsy in oncology patients on check-point inhibitors check-point inhibitors: New triggers for extracapillary glomerulonephritis extracapillary glomerulonephritis M. Dolores Sanchez de la Nieta Garcia; Almudena Juez del Pozo; José Antonio Cortés Toro; Antolina Rodríguez Moreno; Clara García Carro; Elena Ruiz Ferreras; Ana Isabel Sánchez Fructuoso;