Simple cyst. Upper left: Large cyst displacing lower pole laterally Simple cyst. Upper left: Large cyst displacing lower pole laterally. Upper right: Section of kidney showing one large and a few small cysts. Lower left: Excretory urogram showing soft-tissue mass in upper pole of right kidney. Elongation and distortion of upper calyces by cyst. Lower right: Infusion nephrotomogram showing large cyst in upper renal pole distorting upper calyces and dislocating upper portion of kidney laterally. Source: Chapter 32. Disorders of the Kidneys, Smith & Tanagho's General Urology, 18e Citation: McAninch JW, Lue TF. Smith & Tanagho's General Urology, 18e; 2013 Available at: https://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/Books/mcan18/mcan18_c032f002.png&sec=41092879&BookID=508&ChapterSecID=41088109&imagename= Accessed: October 16, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved