With relation to the Sun, it does, but since the Sun is moving, the Earth moves in a helixal orbit. But, the distance from the Earth to the Sun is 92,957,130 miles, so the circumfrence of that circle would be 584,066,873 miles.
Ambulatory strictly means the ability to walk but in the context of surgery, it refers to patients who are able to leave the hospital the same day as the surgery, without being admitted. Ambulatory surgery is referred to by other names, commonly called minimally invasive surgery, outpatient surgery or same day surgery.
Ambulatory phlebectomy. Ambulatory phlebectomy is a minimally invasive, in-office treatment that removes your varicose veins through small punctures or incisions in the skin. It's primarily performed on larger, superficial veins. The area to be treated is numbed with a local anesthetic.