👉 In medicine, a costotomyomy is a surgical procedure used to remove a portion of the stomach or small intestine. It is often performed after surgery to treat conditions such as ulcers, diverticulitis, or appendicitis. The process involves making an incision in the abdomen and using a tool called a "costotomy" to cut open the abdominal cavity, removing part of the stomach or small intestine while leaving other organs intact. This technique is commonly used in hospitals for emergency procedures