Please choose the correct ending to complete the given sentence: Health: [header] How to recognize the symptoms of appendicitis [title] Look for common symptoms of appendicitis. [step] The most common symptom is a dull abdominal pain near the belly button that radiates or changes near the right lower belly. There are other symptoms that aren't so common.

Ending1: Start by examining whether you experience the following : [substeps] Abdominal pain anywhere on your body. This pain may range from mild to painful, depending on your doctor. Ending2: If you find yourself checking off several of them, it might be time to contact your doctor or go to the hospital. You should contact your doctor or go to the hospital as soon as you've identified these symptoms in yourself. Ending3: If appendicitis is causing you pain, it can also indicate an underlying medical issue. [substeps] There is no cure for appendicitis. Ending4: [substeps] The need to retain heat is an obvious sign of appendicitis. It is very difficult to get heat if you are not wearing clothing and expose yourself to a light source.

Answer format: ending1/ending2/ending3/ending4