A 7 year old girl presented with a one month history of lethargy, intermittent lower abdominal pain, and an abdominal mass. She was diagnosed as having spindle cell sarcoma of the right kidney following radiological investigations and biopsy of the lesion. She also had an isolated left lung lesion, presumed metastasis, at the time of diagnosis. She was commenced on multi-agent sarcoma chemotherapy. Six months later she underwent right nephrectomy. Three months post-nephrectomy she received radiotherapy to …