Naser Dib PhD is a specialist in general surgery. In 2014 he was awarded the academic degree of doctor of Medical Sciences. The Doctor performs laparoscopic surgical procedures on the gastrointestinal tract. He currently works in in the Clinic of Surgical Oncology of the European Health Centre in Otwock. The Doctor deals with reducing the volume of the stomach and introducing gastric balloons Heliosphere BAG by endoscopic method (without using a scalpel and under anaesthesia that is safe for the patient). The Doctor performs various diagnostic tests: gastroscopy, colonoscopy and ultrasound. From the very beginning of his career he dealt with the treatment of venous system diseases. The first phlebelogical operations and procedures have been carried out by him in 1994. He specializes in the treatment of varicose veins by means of classical surgery methods and also performs miniphlebectomies. These surgical methods are combined with little invasive techniques, such as sclerotherapy and laser treatment.