The aim of the study was to compare clinical and duplex Doppler results of treatment of varicose veins with four methods of endovenous thermal ablation (EVTA).Material and methods. The results of treatment of varicose veins with 980 nm laser (EVLA980) in 67 extremities, with a radiofrequency ablation (RFA) in 43 extremities, with 810 nm laser (EVLA810) in 46 extremities and with 1470 nm laser (...