case_images: PMC9425087_01
case_images: Pre-nephrectomy CT showing multiple right renal masses with tumor thrombus extending into the right renal vein and around the IVC.
case_images: fimmu-13-993622-g001.jpg
case_images: PMC9425087_01_fimmu-13-993622-g001.jpg
case_images: f1
case_images: A 45 year-old male with an unremarkable past medical history and no known history of autoimmune disease, diabetes, adrenal insufficiency, or chronic kidney disease presented with severe abdominal pain, right sided lower back pain, fatigue, and night sweats was found to have a 12 x 11 x 8 cm right renal mass with tumor thrombus extending into the right renal vein and around the inferior vena cava (IVC) ( Figure 1 ).