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    Non-small cell lung cancer is a type of lung cancer that causes difficulty breathing and affects quality of life. If diagnosed late or without proper treatment, the disease can be life-threatening.

    Non-small cell lung cancer occurs when healthy cells in the lungs become abnormal and grow rapidly. In addition, cancer cells are more likely to spread from the lungs to other organs and parts of the body, called metastatic lung cancer .

    No specific cause of non-small cell lung cancer is currently known, although smoking increases the risk of the disease. However, non-smokers can still get this type of lung cancer. Some other risks include exposure to air pollution and chemicals, as well as a family history of lung cancer.

    Up to 90% of lung carcinomas are non-small cell lung cancers. The good news is that non-small cell lung cancer does not spread as quickly as small cell lung cancer, so the prognosis and survival prospects of patients are higher.

    Symptoms of non-small cell lung cancer

    In its early stages, non-small cell lung cancer usually causes no noticeable symptoms. If you experience any of the following symptoms, see your doctor immediately:

    • Cough recurrence
    • Shortness of breath
    • Chest pain
    • Hemoptisi
    • Uncontrolled weight loss

    Classification of non-small cell lung cancer

    Non-small cell lung cancer is divided into 3 groups:


    This type of lung cancer accounts for 40% of lung cancer cases, occurring mainly in people who are or have a history of smoking. However, it is also the most common type of lung cancer in non-smokers. Adenocarcinoma is more common in women than men and is more likely to occur in younger people than other types of lung cancer.

    Adenocarcinomas are usually found in the outer parts of the lung. It tends to grow more slowly than other types of lung cancer and is more likely to be found before it begins to spread, a process that varies from person to person.

    Squamous cell carcinoma

    This type accounts for 25–30% of all lung cancers. These cancer cells start in the flat cells that line the inside of the airways in the lungs. Squamous cell carcinoma is often associated with a history of smoking and tends to be found in the central part of the lungs, near the main airway (bronchi).

    Large cell carcinoma

    Accounts for 10–15% of lung cancer cases. Cancer cells can appear in any part of the lung and tend to grow and spread quickly, which makes the disease more difficult to treat. One type of large cell carcinoma, called large cell carcinoma, grows quickly and is very similar to small cell lung cancer.

    There are also a few other less common types of non-small cell lung cancer such as adenosquamous carcinoma (AC) and sarcomatoid carcinoma (SC).

    How long does non-small cell lung cancer live?

    How long does non-small cell lung cancer live?

    Survival rates for people with cancers such as non-small cell lung cancer are assessed based on 5-year survival rates, as a percentage of people who survive 5 years or longer after diagnosis. diagnosed with the disease. Your doctor will look at statistics from patients with similar stages of lung cancer to come up with a survival prognosis.

    Many factors can determine your 5-year survival rate, one of which is the stage of your cancer. The American Cancer Society estimates survival rates based on each stage of non-small cell lung cancer as follows:

    • 1A: 49%
    • 1B: 45%
    • 2A: 30%
    • 2B: 31%
    • 3A: 14%
    • 3B: 5%
    • 4: 1%

    These results are for reference only. Because treatments improve over time, 5-year survival rates do not really reflect the current situation.

    Treatment options for non-small cell lung cancer

    Currently, there are many methods used to treat non-small cell lung cancer . In which, some treatment options you can refer to include:

    • Surgery
    • Valence
    • Radiotherapy
    • Use of targeted drugs
    • Immunotherapy

    The goal of treatment is to help you improve your quality of life and prevent lung cancer from spreading and spreading to other organs in your body. The chance of survival is higher the earlier non-small cell lung cancer is detected.

    Therefore, whenever you feel that your body has any suspicious signs, make an appointment for a medical examination as soon as possible. A timely diagnosis can help you get more effective treatment, preventing serious health complications.

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    Nguồn tham khảo

    Non-Small Cell Lung Carcinoma: Life Expectancy and Pronogsis. https://www.healthline.com/health/lung-cancer/non-small-cell-lung-carcinoma-prognosis. Ngày truy cập 21/02/2019.

    What Is Non-Small Cell Lung Cancer? https://www.cancer.org/cancer/non-small-cell-lung-cancer/about/what-is-non-small-cell-lung-cancer.html. Ngày truy cập 21/02/2019.

    Non-Small Cell Lung Cancer Treatment. https://www.cancer.gov/types/lung/patient/non-small-cell-lung-treatment-pdq?redirect=true. Ngày truy cập 21/02/2019.

    Ảnh tác giảbadge
    Tác giả: Ngọc Anh Cập nhật: 04/11/2021
    Tham vấn y khoa: Bác sĩ Nguyễn Thường Hanh