gastroenterologists
Surgeons do surgery on hearts, knees, sholders, hips, stomach among other body parts.
A group of veterinary surgeons is called a College of veterinary surgeons. If you have many groups of veterinary surgeons, they are Colleges.
They can be called an OR nurse or circulator.
scalpel
Because before there were surgeons the job had been done by barbers, who were not medically trained.
Scrubs
Abdominoplasty surgeons perform the procedure colloquially known as a tummy tuck for a living. An abdominoplasty procedure involves removing an excessive amount of fatty stomach tissues and strengthening the abdomen muscles.
a hole in your stomach is called an ulcer
Each country has a different organization for Aesthetic and Plastic Surgeons. In the US the organization is called the American Society for Aesthetic Plastic Surgery.
Orthopaedic Surgeons
They are called Plastic or Cosmetic Surgeons
An EKG