10 Early Signs You Might Have Lung Cancer

March 13, 2026

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Lung cancer is the leading cause of cancer death in the United States. It is important to be aware of the early signs and symptoms of lung cancer so that you can get diagnosed and treated as early as possible.

Here are 10 early signs that you might have lung cancer:

1. A persistent cough. This is the most common early sign of lung cancer. The cough may be dry or productive, and it may get worse over time.

2. Shortness of breath. This is another common early sign of lung cancer. You may feel short of breath even when you are not exercising.

3. Wheezing. This is a high-pitched whistling sound that occurs when you breathe. Wheezing can be a sign of lung cancer, especially if it is new or if it is getting worse.

4. Chest pain. This is a pain or discomfort in your chest. The pain may be sharp or dull, and it may get worse when you cough or take a deep breath.

5. Hoarseness. This is a change in your voice that makes it sound hoarse or raspy. Hoarseness can be a sign of lung cancer, especially if it is new or if it is getting worse.

6. Fatigue. This is a feeling of extreme tiredness that does not go away with rest. Fatigue can be a sign of many different conditions, including lung cancer.

7. Weight loss. This is a loss of weight that is not due to dieting or exercise. Weight loss can be a sign of many different conditions, including lung cancer.

8. Loss of appetite. This is a decrease in your appetite that is not due to dieting or exercise. Loss of appetite can be a sign of many different conditions, including lung cancer.

9. Swelling in your face or neck. This is a swelling that is not due to an injury or infection. Swelling in your face or neck can be a sign of lung cancer, especially if it is new or if it is getting worse.

10. Pain in your bones. This is a pain in your bones that is not due to an injury or infection. Pain in your bones can be a sign of lung cancer, especially if it is new or if it is getting worse.

If you have any of these symptoms, it is important to see your doctor right away. These symptoms can be caused by other conditions, but it is important to get checked out to rule out lung cancer.

Who is at risk for lung cancer?

Anyone can get lung cancer, but some people are at higher risk than others. These include people who:

Smoke or have a history of smoking

Are exposed to secondhand smoke

Have a family history of lung cancer

Are exposed to certain chemicals, such as asbestos and radon

Have certain lung conditions, such as chronic obstructive pulmonary disease (COPD)

How is lung cancer diagnosed?

Lung cancer is diagnosed with a variety of tests, including:

Chest X-ray

CT scan

Biopsy

How is lung cancer treated?

The treatment for lung cancer depends on the stage of the cancer. Treatment options may include:

Surgery

Chemotherapy

Radiation therapy

Targeted therapy

Immunotherapy

What is the prognosis for lung cancer?

The prognosis for lung cancer depends on the stage of the cancer. The earlier the cancer is diagnosed and treated, the better the prognosis.

How can I prevent lung cancer?

There are a number of things you can do to help prevent lung cancer, including:

Don't smoke.

Avoid secondhand smoke.

Get regular checkups.

Eat a healthy diet.

Exercise regularly.

Maintain a healthy weight.

Conclusion

Lung cancer is a serious disease, but it is important to remember that it is treatable, especially if it is diagnosed and treated early. If you have any of the symptoms of lung cancer, it is important to see your doctor right away.