A doctor who chooses to focus on enhancing aesthetics is known as a cosmetic surgeon. To become one, a physician would need to go through many years of training in reconstructive surgery as well as pass tests that are given by the medical board that controls the practice.
What is an oncologist? This is a medical doctor whose primary concern is the diagnosis and treatment of cancer. There are three types —medical, surgical and radiation— who perform different procedures to achieve the lofty goal of beating the disease.
What is a family doctor? Often mistaken as general practitioners, family docs are actually specialists, too. To become one, an aspirant will have to go through a multi-year internship that rotates through different fields such as obstetrics, psychiatry and emergency medicine, among others.
Children are special so they require a different set of medical professionals to treat their illnesses. Pediatrics is the umbrella these MDs fall under and within it are specialties like oncology, pulmonology, critical care and psychiatry, among others.
What is internal medicine? According to one source: "Internal medicine is the medical specialty dealing with the prevention, diagnosis, and treatment of adult diseases. Physicians specializing in internal medicine are called internists."
A physician who chooses to become a reconstructive plastic surgeon may opt to sub-specialize in different aspects of the field. Depending on what holds his or her interest, such a doctor could get into trauma, breast reconstruction, hand and limb surgery or even aesthetic surgery.