Korean J Intern Med 2015;30:554-555http://dx.doi.org/10.3904/kjim.2015.30.4.554This article has been retracted following a review by the Editorial Board. It was found to be the same case with the published article, “Daughter cysts in a cyst of the liver: hepatic echinococcosis,” by Kwon et al. [1] (Korean J Intern Med 2016;31:197-198). Therefore, the article by Jee [2] was decided to be retracted.We apologize for any inconvenience that this may have caused.