Bariatric surgery: Bariatric surgery is performed in order to remove excess.
Elective surgery vs. emergency surgery: The type of surgery being performed, and the urgency of the operation.
Spinal osteomyelitis surgery: Spinal surgery is naturally one of the most difficult operations.
Robert Liston and the deadliest operation in history: Regardless of which type of surgery is considered the most dangerous.
Gluteoplasty: The most dangerous elective surgery in the world.