Orhan Yücel is an associate professor of thoracic surgery. He is the first surgeon to perform many operations for the first time in the institutions he worked before. His work has provided scientific contributions to the institutions he worked in.

Operations he primarily lead-off in the hospitals he worked are: 

• Lung Transplantation
• Pneumonectomy, Lobectomy, Pulmonary wedge resection and mediastinal mass resection (with VATS or Robotic Surgery)
• Repair of anterior chest wall deformity by Nuss procedure