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.
Due to the complexities of the human body, training to become a surgeon is intense and lengthy, requiring an eight year time investment and completion of a bachelor degree, medical school, and an internship. Earnings for surgeons are $186,044 to $339,738 annually.