Please choose the correct ending to complete the given sentence: Health: [header] How to diagnose copd [title] See your doctor. [step] The best way to fight copd is to see your doctor before symptoms arise. This is because symptoms of copd often don't appear until significant lung damage has already occurred.

Ending1: If the condition worsens, you may need to see your doctor. [title] Choose a convenient time of day to speak to your doctor. Ending2: If you haven't already noticed symptoms of copd, see your doctor immediately. If you have other symptoms, see your doctor first. Ending3: The best course of action is to seek medical care if you are a long-term smoker or in a high risk group. [substeps] Copd symptoms are often ignored because they start gradually and progress over time. Ending4: Symptoms of copd this way include : [substeps] Dark, hard to see symptoms that usually disappear after a short period of time if left untreated severe symptoms after a long period or time if left untreated [title] Keep a journal. [step] Keeping a journal on copd can help you feel more comfortable.

Answer format: ending1/ending2/ending3/ending4