A case report of the world largest spindle cell renal tumor (9 kg) with longest survival, removed by innovative technique.

Renal cell carcinoma includes about 2% of global cancer and mostly diagnosed in early stages due to wide usage of imaging studies, in this article we report a huge 9 kg renal mass. A 54 years old woman consulted for her stomach ache, in the CT scan study, it revealed a huge abdominal mass occupying most of the abdomen and pelvic area. Innovative surgical resection was performed. Our 9kg renal mass was the first and largest fully solid spindle cell renal tumor, with the longest survival ever reported.