The article has been retracted by the Editorial Board. The author was not included. The correct entry is as follows:
Marcin Gładki, Tomasz Mroczek, Magdalena Czerżyńska, Aleksandra Morka, Julita Sacharczuk, Janusz H. Skalski. Hypoplastic left heart syndrome with anomalous circumflex artery arising from left pulmonary artery. A description of combined surgical and interventional cardiac treatment. Adv Interv Cardiol 2018; 14, 3 (53): 314–315. DOI: https://doi.org/10.5114/aic.2018.78339.