Please choose the correct ending to complete the given sentence: Health: [header] How to treat a tailbone injury [title] Make an appointment with your doctor. [step] While tailbone injuries rarely require a visit to the emergency room, it is important that you visit a medical professional to get your tailbone injury accurately diagnosed. [title] Get your spine examined.

Ending1: [step] Some injuries that require a thorough check with a medical professional can only be diagnosed with one minor but critical issue: tailbone problems. More important issues the healthcare team and your nurses likely cannot diagnose include : [substeps] Tailbone bone fracture. Ending2: [step] The best protocol for dealing with a tailbone injury is to have it examined by a doctor once a year. If your tailbone injury involves significant fractures in the spine, you may want to set aside a few days to begin an appointment with your doctor. Ending3: [step] When you visit your doctor, make sure that they perform an examination of your entire vertebral column, also known as your spine. Your doctor may perform a neurologic exam or a rectal exam as part of the spinal examination. Ending4: [step] The best way to diagnose tailbone injuries is to see a specialist. Your physician can agree to look at your spine every couple of years (ideally sooner, if possible) to decide what type of injury is causing the tailbone.

Answer format: ending1/ending2/ending3/ending4