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SCLC gets its name from how the cancer looks under a microscope. It makes up about 1 in 7 lung cancers (about 15%).
Smoking cigarettes is the main cause of lung cancer. People who do not smoke can still develop lung cancer, but their risk is much lower. If someone stops smoking, their risk of developing lung cancer falls over time. After about 15 years it is almost the same as a non-smoker. Lung cancer is also more common in older people.
We have more information about the causes and risk factors of lung cancer.
People who have symptoms usually begin by seeing their GP. If the GP thinks your symptoms could be caused by lung cancer, they will arrange either:
If these tests show anything abnormal, your GP will refer you to a chest specialist within 2 weeks. Sometimes they will do this before getting the result of the chest x-ray. At the hospital the specialist will explain any other tests you need.
Other tests you may have at the hospital include:
A PET-CT scan is combination of a CT scan, which takes a series of x-rays to build up a three-dimensional picture and a positron emission tomography (PET) scan.
The doctor or nurse collects samples (biopsies) of cells or tissue from the lung or nearby lymph nodes. The samples are checked under a microscope for cancer cells. This test can help diagnose lung cancer and show whether it is SCLC or NSCLC. There are different ways of collecting biopsies, including:
Waiting for tests results can be a difficult time, we have more information that can help.
Further tests after diagnosis
If tests show you have lung cancer, your specialist will arrange further tests. These can help find out more about your general health and the stage of the cancer:
A mediastinoscopy is when the doctor inserts a long, thin tube into your chest through a small cut at the base of your neck. You have this under a general anaesthetic. They examine the middle of the chest and lymph nodes and take samples of tissue (biopsies).
A thoracoscopy is when the doctor inserts a thin tube through cuts in your chest and take a biopsy of the lining of the lungs (the pleura). This is usually done under a general anaesthetic. The doctor can remove any fluid that may have collected there.
An MRI scan uses magnetism to build up a detailed picture of areas of your body.
An ultrasound scan uses sound-waves to look at parts of the body, such as the liver, to see if the cancer has spread.
Breathing and heart tests
Breathing and heart tests are used to check how well your lungs and heart are working. You may have this if your treatment plan involves surgery or radiotherapy.
A team of specialists will meet to discuss the best possible treatment for you. This is called a multidisciplinary team (MDT).
Your doctor will explain the different treatments and their side effects. They will also talk to you about the things you should consider when making treatment decisions.
You can read an overview of the different treatment options for lung cancer.
You may have a combination of treatments for SCLC including:
Chemotherapy is the main treatment for small cell lung cancer. When it is given before or with radiotherapy this is called chemoradiation.
Radiotherapy may be given before, during or after chemotherapy to treat SCLC. It may be used to control symptoms, if the cancer is more advanced or has spread. It may also be given to the head to stop any lung cancer cells that have spread growing into a secondary cancer in the brain. This is called prophylactic cranial radiotherapy.
Surgery is rarely used to treat SCLC, unless the cancer is small and has not spread outside the lung.
Ablation treatments use heat or laser light to treat very early lung cancers. Ablation treatment can also be used if the cancer is blocking an airway.
You can have treatments to help relieve any symptoms caused by the cancer. This is sometimes called supportive care or palliative care.
Follow-up after treatment for small cell lung cancer
You have regular follow up appointments after treatment.
You may get anxious before the appointments. This is natural. It may help to get support from family, friends or a support organisation. You can also call the Macmillan Support Line on 0808 808 000.