HRAS mutations are frequent in inverted urothelial neoplasms.
McDaniel AS, Zhai Y, Cho KR, Dhanasekaran SM, Montgomery JS, Palapattu G, Siddiqui J, Morgan T, Alva A, Weizer A, Lee CT, Chinnaiyan AM, Quist MJ, Grasso CS, Tomlins SA, Mehra R. HRAS mutations are frequent in inverted urothelial neoplasms. Hum Pathol. 2014 Sep; 45(9):1957-65.