Noncontrast computed tomography of patient C. B Noncontrast computed tomography of patient C.B.’s abdomen on day 1 revealed diffusely enlarged kidneys and extensive gas in the kidneys bilaterally, indicative of bilateral EPN (class 4 EPN). Noncontrast computed tomography of patient C.B.’s abdomen on day 1 revealed diffusely enlarged kidneys and extensive gas in the kidneys bilaterally, indicative of bilateral EPN (class 4 EPN). Raiz A. Misgar et al. Clin Diabetes 2015;33:76-79 ©2015 by American Diabetes Association