[1] Indiana Univ, Sch Med, Dept Surg, Indianapolis, IN 46204 USA
[2] Indiana Univ, Ctr Canc, Indianapolis, IN 46204 USA
[3] Indiana Univ, Sch Med, Walther Oncol Ctr, Indianapolis, IN 46202 USA
[4] Richard L Roudebush Vet Affairs Med Ctr, Indianapolis, IN 46202 USA
[5] Indiana Univ, Sch Med, Dept Radiol, Indianapolis, IN 46204 USA
[6] Indiana Univ, Sch Med, Dept Pathol, Indianapolis, IN 46204 USA
[7] Canc Res Inst, Dept Surg, Indianapolis, IN USA