CHENNAI, August 5: A workshop on Functional Endoscopic Sinus Surgery, a new surgical method for treating nose and sinus diseases, will be held at the KKR ENT hospital here. Over 275 ENT surgeons from across the country are to participate in the workshop, beginning on August 8. Dr Dharambir Sethi of Singapore will be the visiting teaching faculty. The workshop will include lectures, discussions and live surgical demonstrations.