A Colon and Rectal Surgeon is a doctor who, in addition to 5 or more years of training as a General Surgeon, receives an additional one year of training in colon and rectal surgery. This specialist is an expert in the diagnoses and treatment of diseases of the small intestine, colon, rectum, anal canal and perianal area..
The American Board of Medical Specialties recognizes Family Medicine as a distinct discipline requiring an additional three years of training for doctors who wish to become Board Certified in this field. Family Medicine doctors are usually primary care providers (PCPs) [formerly general practitioners, or GPs] for the entire family.
A Nuclear Medicine physician is a doctor with three years additional training in advanced uses of radiopharmaceuticals to evaluate pathologic conditions of the body. Nuclear Medicine includes molecular imaging utilizing imaging systems to detect diseases or response to therapy.