The Division of Thoracic and Upper Gastrointestinal Surgery is a busy clinical program based at the Montreal General Hospital. The division provides state-of-the-art patient care for a wide range of malignant and non-malignant lung, chest, esophageal and gastric diseases, and is a North American and international leader in many of these fields. As an affiliate of the McGill University School of Medicine, the service functions as an active clinical teaching unit for residents, fellows and medical students, and is widely regarded for its robust clinical and basic science research productivity.