The WCCI 2026 program, or Warsaw Course on Cardiovascular Interventions, is one of the most important conferences organized in Warsaw under the auspices of the Association of Cardiovascular Interventions (AISN) of the Polish Cardiac Society. It brings together cardiologists, interventional cardiologists, cardiac surgeons, and specialists from around the world. Multimedia presentations, simultaneous conferences, and interactive hands-on workshops organized by the Foundation for Supporting Interventional Cardiology are held under the patronage of the Invasive Cardiology Clinic of the Central Clinical Hospital of the Ministry of Interior and Administration and the Interventional Cardiology and Angiology Clinic of the Institute of Cardiology in Warsaw.