Many people new to free software find themselves confused because the word free in the term free software is not used the way they expect. To them free means at no cost. An English dictionary lists almost twenty different meanings for free. Only one of them is at no cost.
3) Medical Degree -- A 4 year program in medical school. 4) 1-3 Years Internship (Many people do it in one or two years) 5) Your medical residency which is AT LEAST 4 years, but for surgeon it's going to take a couple more years.
So you want to become a specialist surgeon? First, you will need to become a medical doctor (general practitioner). Becoming a medical doctor requires, depending on the state/country you live in, that you obtain a premedical science degree and follow it up with a medical degree. Some medical schools combine these two degrees into a single degree.