The 4th Congress of the Polish Arthroscopic Society will be held on October 14-16, 2021 at the Wrocław Congress Center at the Centennial Hall. As always, we will provide you with world-class lectures on both classic and innovative arthroscopy issues. We have prepared for you a series of practical presentations on standard surgical procedures and techniques. More details on the website: www.zjazd.ptartro.pl.