When the anatomy allows, the goal is to remove the tumor — not the kidney.
Kidney cancer is increasingly diagnosed early because of incidental imaging. That early diagnosis usually means there is a real choice between partial nephrectomy (removing the tumor while preserving the rest of the kidney) and radical nephrectomy. The right choice depends on the tumor's size, location, and biology — and on the surgeon's ability to handle complex partial nephrectomies safely.
How we evaluate a kidney mass
Multiphase CT or MRI to characterize the mass. Renal mass biopsy when imaging is ambiguous and the result will change management. Validated risk scoring (R.E.N.A.L., PADUA) to plan the surgical approach honestly.
Partial vs. radical — and why it matters
Robotic partial nephrectomy preserves long-term kidney function in patients eligible for it, which matters for cardiovascular and overall survival decades after the cancer is treated.
The first robotic partial nephrectomy in New Jersey was performed by Dr. Savatta in May 2005. The first live AUA telecast of a robotic radical nephrectomy was performed by Dr. Savatta in May 2007.
Active surveillance and small renal masses
Not every small renal mass needs immediate surgery. Active surveillance is appropriate for selected patients with small, slow-growing lesions and competing health risks. The right answer depends on the patient, not a default.
Common questions
Will I lose my kidney?
When the tumor's size and location permit, no. Robotic partial nephrectomy is preferred for most small and many intermediate masses. Radical nephrectomy is reserved for tumors that anatomy and biology require it for.
What's the recovery from robotic partial nephrectomy?
Most patients stay in the hospital one to two nights and return to normal activity within 2-4 weeks. Strenuous activity is restricted for 4-6 weeks.
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