Influence of body mass index on oncological outcomes in patients with upper urinary tract urothelial carcinoma treated with radical nephroureterectomy

Objective To investigate the association between body mass index and oncological outcomes in Chinese patients who had undergone radical nephroureterectomy for upper urinary tract urothelial carcinoma. Methods Between August 1998 and October 2009, 236 consecutive Chinese patients underwent radical nephroureterectomy for upper urinary tract urothelial carcinoma at Sun Yat‐sen University Cancer Center (Guangzhou, China). Body mass index data were available for 230 (97.5%) of these patients. All 230 patients were classified into three groups according to the body mass index criteria for Asians, issued by the Asia Cohort Consortium: underweight, body mass index