Surgery is a broad category of invasive medical treatment that involves the cutting of a body, whether that of a human or an animal. A surgeon is a physician who cuts the human body for the purpose of removing diseased tissue or organs, to repair body systems, or to replace diseased organs with transplants.

Surgeons can be general surgeons and perform all types of surgery, or they can be specialized, such as heart surgeons or bariatric surgeons. Surgeons may be physicians, dentists, podiatrists or veterinarians.

Next: What does a Surgeon do?

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