4^th World Congress on Surgeons December 20-20, 2021 London, UK

Dr.Zagor Zagorac has completed his sub specialization in Digestive Surgery at University of Belgrade, Faculty of Medicine, Serbia during 2017.He has also got the specialization in the digestive system and General Surgery from the University of Belgrade. He has his professional Memberships from Society of Coloproctology of Serbia and Serbian Medical Association.

General surgery, digestive tract surgery and the Colproctology.

Dr. Demirsoy, has completed his PhD from Karadeniz Technical University and postdoctoral studies from Istanbul University, School of Medicine. He is the director of Cardiovascular Surgery at International Sisli Kolan Hospital, Istanbul - Turkey. He has published more than 38 papers in reputed journals and has been serving as an board member and cardiac councilor of European Society of Cardiovascular Surgeons (ESCVS)

Coronary artery bypass surgery, Minimal invasive cardiac surgery, Surgical treatment of atrial fibrillation, Cardiac valve surgeries including valve repairs, Endovascular surgeries