Fig. 5From: Assessment of the validity of image-defined risk factors (IDRFs) in abdominal neuroblastomaA 2.5-year-old female. a Initial CT axial cut showing infiltrative neuroblastoma, encasing the aorta, invading the left renal pedicle, and infiltrating the left kidney. b Pre-operative CT axial cut showing regressive course of the mass lesion, still invading the left renal pedicle, and infiltrating the left kidney. c Post-operative CT axial cut showing operative bed residual lesion > 10% of the tumor volumeBack to article page