The surgeon examines and operates on the area in question by viewing magnified images on a television. When the telescope is used to operate on the abdomen, the procedure is called laparoscopy. When used in the chest, the procedure is called thoracoscopy, and when used in a joint, it is called arthroscopy.The surgeon examines and operates on the area in question by viewing magnified images on a television. When the telescope is used to operate on the abdomen, the procedure is called laparoscopy. When used in the chest, the procedure is called thoracoscopy, and when used in a joint, it is called arthroscopy