Emergency surgery: A surgical procedure that cannot be delayed, for which there is no alternative therapy or surgeon, and for which a delay could result in death or permanent impairment of health. Exploratory surgery: it is a diagnostic method used by doctors when trying to find a diagnosis for an ailment. It can be performed in both humans and animals, but it is far more common in animals. It is used most commonly to diagnose or locate cancer [10] in humans, but it can be used for other ailments as well. Amputation: Removal of part or all of a body part enclosed by skin. Amputation usually takes place during surgery [11] in a hospital operating room. It is performed to prevent the spread of gangrene as a complication of frostbite, injury, diabetes [12], arteriosclerosis (hardening of the arteries), or any other illness that impairs blood circulation. It is also performed to prevent the spread of bone cancer