Lung cancer occurs when abnormal cells grow out of control in the lung. Lung cancer can start anywhere in the lungs and spread to other parts of the body.
Treatment is based on the type and stage of lung cancer. It is also based on other factors, such as your overall health. Treatment may include surgery, radiation therapy, or chemotherapy. It may also include immunotherapy or targeted therapy.
Being treated for cancer can weaken your body. And you may feel very tired. Home treatment and certain medicines can help you feel better.
Lung cancer happens when cells in the lungs become abnormal and grow out of control. Lung cancer can start anywhere in the lungs, but most often it starts in the breathing (bronchial) tubes. The cancer cells can form tumors, invade nearby tissues, and spread to other parts of the body.
The main types of lung cancer are small cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC). NSCLC is by far the most common type of lung cancer. SCLC usually grows and spreads more quickly than NSCLC.
Lung cancer means that cells in your lungs are growing abnormally and out of control. The cancer cells can spread to other parts of your body. Most lung cancer is caused by tobacco smoke.
The first signs of lung cancer may include a new cough or a cough that doesn't go away, wheezing, or feeling short of breath. Other signs may include chest pain and blood in mucus that is coughed up.
Treatment for lung cancer is based on the type and stage of the cancer and other things, such as your overall health. Surgery, radiation, and chemotherapy are the main treatments for both non-small cell lung cancer (NSCLC) and small cell lung cancer (SCLC). Other treatments that may be used for both types include immunotherapy, laser therapy, and endoscopic stent placement. NSCLC may also be treated with thermal ablation, photodynamic therapy, or targeted therapy.
Your doctor may suggest a clinical trial.
Your doctor will talk with you about your options and then make a treatment plan.
Some people use complementary therapies along with medical treatment. Therapies like acupuncture or massage may help you cope with the symptoms and stress of cancer. Talk with your doctor about any of these options you would like to try.
Surgery may be an option if your doctor thinks all of the cancer can be removed. Nearby lymph nodes may also be removed to find out if the cancer has spread.
To remove the cancer, the doctor may take out:
Lung surgery may be done through one cut (incision) in the chest (thoracotomy). Or it may be done through several small cuts, using a tiny camera and special tools. (This is called video-assisted thoracic surgery, or VATS.) Your doctor can help you understand which type of surgery is best for you.
This uses high-dose X-rays to destroy cancer cells and shrink tumors. Radiation therapy is often used with surgery or chemotherapy to treat lung cancer. It may be used alone if surgery can't be done.
Radiation therapy may also be used to:
Radiation therapy for lung cancer is usually given by a machine outside the body (external radiation). In some cases, it's given by placing substances inside the body (internal radiation, or brachytherapy).
These medicines kill fast-growing cells, including cancer cells and some normal cells. They may be given before or after surgery to help destroy any remaining cancer cells. Chemotherapy and radiation may be given together. (This is called chemoradiation.)
These medicines are often put into a vein. Sometimes they are taken as a pill. The medicines travel through your body to kill cancer cells both inside and outside the lung area.
Other treatment options for both NSCLC and SCLC include:
This treatment helps your immune system fight cancer. It may be given along with chemotherapy.
This uses a highly focused beam of light to destroy cancer cells.
If a tumor blocks your airway, the doctor can insert a small hollow tube (stent) to help you breathe more easily.
A special light activates a medicine to destroy cancer cells. The doctor can use a bronchoscope to treat tumors in the airways.
NSCLC may also be treated with:
This uses extreme cold or heat to destroy cancer cells. Cryotherapy (or cryosurgery) is a type of ablation that uses cold. Radiofrequency ablation uses heat.
These medicines target cancer cells and may cause less harm to normal cells. They help keep cancer from growing or spreading.
Some of these medicines target certain tumor markers in the cancer cells. If the cancer has a tumor marker that can be targeted, you may be given one or more of these medicines.
Most lung cancers are caused by smoking. If you use tobacco, you can help lower your risk for lung cancer by quitting.
You may be able to make other changes in your life that can help lower your risk.
Your symptoms, your medical history, and any history of cancer in your family will help your doctor decide how likely it is that you have lung cancer. You may need tests to be sure. Lung cancer is usually first found on a chest X-ray or a CT scan.
Most lung cancers are caused by cigarette smoking. Smoking cigars or a pipe also put you at risk.
Your risk of getting lung cancer is higher:
Quitting smoking lowers your risk. And your risk keeps going down as long as you don't smoke. Cutting down may help.
If you live with a smoker, you are at more risk than a person who doesn't.
Being exposed to certain chemicals like arsenic or asbestos puts you at risk. Exposure to radiation, radon gas, or air pollution also puts you at risk.
Some gene changes can increase your risk.
Smoking, exposure to cancer-causing substances, and gene changes are risk factors. Having one or more risk factors can make it more likely that you will get lung cancer. But some people who get lung cancer don't have any of these risk factors.
Lung cancer is the out-of-control growth of abnormal cells in the lungs. These cells can invade nearby tissues and form tumors. Lung cancer can start anywhere in the lungs and affect any part of the respiratory system.
The main types of lung cancer are non-small cell lung cancer (NSCLC) and small cell lung cancer (SCLC). NSCLC is the most common type. SCLC usually grows quickly and is more likely to spread than NSCLC.
Lung cancer is often caused by cigarette smoking. Tobacco smoke contains carcinogens. These are substances that cause cancer. They damage lung cells, and over time the damaged cells can turn into lung cancer.
Sometimes lung cancer develops in people who have never smoked. A few people get lung cancer after being exposed to other harmful substances, including asbestos, radioactive dust, radon, or radiation such as X-rays. Cancer also may be caused by gene changes (mutations) that occur as you get older.
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