Renal Cell Cancer : Diagnosis and Therapy edition:1st pages:229-235
Nephron-sparing surgery (NSS) has undergone an enormous shift from absolute, imperative indications to elective indications, in the presence of a normal contralateral kidney. While it is obvious that ocmplete excision is mandatory, the size of the margin remains debated.
On the basis of retrospective analyses, it appears that a normal tissue margin of just 1 mm or more may be adequate to prevent local recurrence from renal cell carcinoma. The margin status is more important than the margin size.