Trends in Renal Tumor Surgery in the United States and Germany Between 2006 and 2014: Organ Preservation Rate Is Improving

Nephron-sparing surgery (NSS) is the treatment of choice for T1 renal tumors. This study compared the implementation of NSS in the United States and Germany. Data were derived from the National Inpatient Sample and from the Nationwide German Hospital Billing Database. All cases of NSS and radical nephrectomy from 2006 to 2014 were analyzed. To assess tumor stage distribution, data from the Surveillance, Epidemiology, and End Results database...