9 early signs of lung cancer you need to know!

Lung cancer is one of the most common and dangerous types of cancer worldwide. According to the World Health Organization (WHO), lung cancer is the leading cause of cancer death for both men and women. However, if detected early, the chances of successfully treating lung cancer significantly increase. Recognizing the 9 early signs of lung cancer plays a crucial role in protecting health and improving survival rates for patients. This article will help you understand more about the 9 warning signs of early-stage lung cancer.


What is Lung Cancer? Why is Early Detection Important?

Lung cancer is the uncontrolled growth of abnormal cells in the lung tissue. These cells can form tumors and spread to other parts of the body.


Lung cancer is the uncontrolled growth of abnormal cells in the lung tissue

Detecting lung cancer at an early stage brings many important benefits:

  • Increased chances of successful treatment: Early-stage lung cancer is often easier to treat and has a better prognosis than later stages.
  • Reduced risk of metastasis: Early-stage lung cancer is less likely to spread to other organs, helping to limit complications and increase survival chances.
  • Cost savings on treatment: Early detection of lung cancer helps minimize treatment costs and related financial burdens.

9 Early Signs of Lung Cancer

  1. Persistent cough: A cough that lasts more than 3 weeks, with no clear cause and does not improve after treating common conditions.


A cough that lasts more than 3 weeks, with no clear cause and does not improve after treating common conditions

  1. Shortness of breath – one of9 early signs of lung cancer: Feeling short of breath, especially when exerting yourself or lying down. This condition may worsen over time.
  2. Unexplained weight loss: Rapid weight loss without a clear reason, often accompanied by loss of appetite and fatigue.
  3. Chest pain: Persistent chest pain, which may spread to the shoulders, back, or arms. The pain often worsens when coughing, deep breathing, or laughing.
  4. Wheezing – one of 9 early signs of lung cancer: Abnormal breathing sounds, which can include whistling, wheezing, or a high-pitched sound.
  5. Swollen lymph nodes in the neck or chest: Enlarged lymph nodes in the neck or above the collarbone, which are usually painless.
  6. Persistent fatigue: Frequent feelings of fatigue that do not improve after adequate rest.
  7. Coughing up blood: Coughing up blood, even in small amounts, is a warning sign.
  8. Shoulder or back pain: Persistent pain in the shoulders or back, not related to injury or physical activity.

Prevention and Screening for Lung Cancer

  • Do not smoke and avoid exposure to tobacco smoke: Smoking is the leading risk factor for lung cancer.
  • Limit exposure to harmful substances: Such as asbestos, radon, arsenic, nickel…
  • Lung cancer screening: For high-risk individuals, regular screening with low-dose CT scans can help detect lung cancer early.

Treatment Options for Lung Cancer

The choice of lung cancer treatment depends on the stage, type of cancer, overall health, and patient preferences. Common treatment methods include:

  • Surgery: Removing the tumor and part or all of the lung.
  • Radiation therapy: Using high-energy radiation to kill cancer cells.
  • Chemotherapy: Using drugs to kill cancer cells.
  • Targeted therapy: Using drugs to specifically target cancer cells, minimizing side effects on healthy cells.

Recognizing the 9 early signs of lung cancer is key to protecting health and increasing the chances of survival for patients. If you notice any of the above symptoms, see a doctor immediately for an examination and accurate diagnosis.

What kind of cough is considered an early sign of lung cancer?

A cough that lasts more than 3 weeks, with no clear cause and does not improve after treating common conditions like a cold or sore throat, can be a warning sign of early-stage lung cancer. Pay special attention if the cough is accompanied by other symptoms such as coughing up blood, chest pain, shortness of breath, or unexplained weight loss.

Is shortness of breath always a sign of lung cancer?

Not necessarily, shortness of breath can be a symptom of many different conditions, including asthma, chronic obstructive pulmonary disease (COPD), or heart problems. However, if shortness of breath appears suddenly, without a clear cause, and worsens over time, especially when combined with other signs such as persistent cough or chest pain, you should see a doctor to rule out lung cancer.

Is unexplained weight loss a typical sign of early-stage lung cancer?

Unexplained weight loss is one of the 9 warning signs of early-stage lung cancer. However, weight loss can also be caused by many other factors such as stress, digestive disorders, or chronic diseases. If you experience sudden and unexplained weight loss, see a doctor for an accurate diagnosis.


Unexplained weight loss is one of the 9 warning signs of early-stage lung cancer

Can early-stage lung cancer be cured?

If detected and treated at an early stage, lung cancer has a high chance of being cured. The 5-year survival rate for early-stage lung cancer can be up to 90%. However, if the cancer has spread widely, treatment becomes more difficult and the prognosis worsens. Therefore, recognizing early signs of lung cancer and seeking timely medical attention is extremely important.

What should I do if I suspect I have early signs of lung cancer?

If you notice one or more signs of early-stage lung cancer, see a doctor immediately. The doctor will conduct a clinical examination, and order necessary tests such as X-rays, CT scans, or biopsies for an accurate diagnosis. If lung cancer is diagnosed early, you have a better chance of successful treatment and prolonged life.

Scientific Evidence on “9 Early Signs of Lung Cancer”

Persistent cough:

According to a study published in the journal Chest in 2012, a persistent cough is the most common symptom of lung cancer, occurring in about 50-75% of patients. Shortness of breath:

Research from the American Cancer Society (ACS) shows that shortness of breath is the second most common symptom of lung cancer, especially in patients with large tumors or cancer that has spread to the pleura. Unexplained weight loss:

A study in the Journal of Clinical Oncology in 2005 found that unexplained weight loss is a poor prognostic sign in lung cancer patients.

The above article has provided information on “9 early signs of lung cancer” and related knowledge. We hope this article will be helpful to you.

Kiểm Duyệt Nội Dung

Ban Biên Tập | Website

More than 10 years of marketing communications experience in the medical and health field.

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