Non small cell lung cancer (patient information)
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Non small cell lung cancer |
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Non small cell lung cancer On the Web |
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Risk calculators and risk factors for Non small cell lung cancer |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Maria Fernanda Villarreal, M.D. [2]
Overview
Non small cell cancer is one of the most common cancers in the world. It is a leading cause of cancer death in men and women in the United States. Cigarette smoking causes most lung cancers. The more cigarettes you smoke per day and the earlier you started smoking, the greater your risk of lung cancer. High levels of pollution, radiation, and asbestos exposure may also increase risk.
What are the symptoms of Non Small Cell Lung Cancer?
- Common symptoms of lung cancer include
- A cough that doesn't go away and gets worse over time
- Constant chest pain
- Coughing up blood
- Shortness of breath, wheezing, or hoarseness
- Repeated problems with pneumonia or bronchitis
- Swelling of the neck and face
- Loss of appetite or weight loss
- Fatigue
Who is at highest risk?
- People with constant exposure to high levels of air pollution and drinking water that has a high level of arsenic can increase your risk of lung cancer. A history of radiation therapy to the lungs can also increase risk.
- Working with or near cancer-causing chemicals or materials can also increase the risk of developing lung cancer. Such chemicals include:
- Asbestos
- Chemicals such as uranium, beryllium, vinyl chloride, nickel chromates, coal products, mustard gas, chloromethyl ethers, gasoline, and diesel exhaust
- Certain alloys, paints, pigments, and preservatives
- Products using chloride and formaldehyde
Diagnosis
- The doctor will perform a physical exam and ask about your medical history. You will be asked if you smoke, and if so, how much you smoke and for how long you have smoked. You will also be asked about other things that may have put you at risk of lung cancer, such as exposure to certain chemicals. When listening to your chest with a stethoscope, the doctor may hear fluid around the lungs or areas where the lung has partially collapsed. This may suggest cancer.
- Tests that may be done to diagnose lung cancer or see if it has spread include:
- Bone scan
- Chest x-ray
- Complete blood count (CBC)
- CT scan of the chest
- MRI of the chest
- Positron emission tomography (PET) scan
- Sputum test to look for cancer cells
- Thoracentesis (sampling of fluid buildup around the lung)
- In most cases, a piece of tissue is removed from your lungs for examination under a microscope. This is called a biopsy. There are several ways to do this:
- Bronchoscopy combined with biopsy
- CT-scan-directed needle biopsy
- Endoscopic esophageal ultrasound (EUS) with biopsy
- Mediastinoscopy with biopsy
- Open lung biopsy
- Pleural biopsy
- If the biopsy shows cancer, more imaging tests are done to find out the stage of the cancer. Stage means how big the tumor is and how far it has spread
- These tumors are divided into 5 stages:
- Stage 0 - the cancer has not spread beyond the inner lining of the lung
- Stage I - the cancer is small and has not spread to the lymph nodes
- Stage II - the cancer has spread to some lymph nodes near the original tumor
- Stage III - the cancer has spread to nearby tissue or to far away lymph nodes
- Stage IV - the cancer has spread to other organs of the body, such as the other lung, brain, or liver
Treatment options
There are many different types of treatment for non-small cell lung cancer
- Treatment depends on the stage of the cancer
- Surgery is the common treatment for non-small cell lung cancer that has not spread beyond nearby lymph nodes. The surgeon may remove:
- One of the lobes of the lung (lobectomy)
- Only a small part of the lung (wedge or segment removal)
- The entire lung (pneumonectomy)
- Some patients need chemotherapy
- Chemotherapy uses drugs to kill cancer cells and stop new cells from growing. Treatment may be done in the following ways:
- Chemotherapy alone is often used when the cancer has spread outside the lung (stage IV).
- It may also be given before surgery or radiation to make those treatments more effective. This is called neoadjuvant therapy.
- It may be given after surgery to kill any remaining cancer. This is called adjuvant therapy.
- Chemotherapy is usually given through a vein (by IV). Or, it may be given by pills.
- Controlling symptoms and preventing complications during and after chemotherapy is an important part of care.
- Radiation therapy can be used with chemotherapy if surgery is not possible. Radiation therapy uses powerful x-rays or other forms of radiation to kill cancer cells. Radiation may be used to:
- Treat the cancer, along with chemotherapy, if surgery is not possible
- Help relieve symptoms caused by the cancer, such as breathing problems and swelling
- Help relieve cancer pain when the cancer has spread to the bones
- The following treatments are mostly used to relieve symptoms caused by non small cell lung cancer:
- Laser therapy - a small beam of light burns and kills cancer cells
- Photodynamic therapy - uses a light to activate a drug in the body, which kills cancer cells
Where to find medical care for Non Small Cell Lung Cancer?
Directions to Hospitals Treating Non Small Cell Lung Cancer
Prevention of Non Small Cell Lung Cancer
- If you smoke, now is the time to quit. If you are having trouble quitting, talk with your doctor.
- There are many methods to help you quit, from support groups to prescription medicines. Also, try to avoid secondhand smoke.
- If you smoke or used to smoke, talk with your doctor about getting screened for lung cancer. To get screened, you need to have a CT scan of the chest.
What to expect (Outlook/Prognosis)?
- The outlook varies. Most often, non small cell lung cancer grows slowly. In some cases, it can grow and spread quickly and cause rapid death. The cancer may spread to other parts of the body, including the bone, liver, small intestine, and brain.
- Chemotherapy has been shown to prolong life and improve the quality of life in some patients with stage IV non small cell lung cancer.
- Cure rates are related to the stage of disease and whether you are able to have surgery.
- Stage I and II cancers have the highest survival and cure rates.
- Stage III cancer can be cured in some cases.
- Stage IV cancer that has returned is almost never cured. The goals of therapy are to extend and improve quality of life.