Treatment for lung cancer is carried out by a team of specialists who will work together to provide the best possible treatment.
This team contains all the specialists required to make a proper diagnosis, to stage your cancer and to plan the best treatment. If you want to know more, ask your specialist about this.
The type of treatment you’ll receive for lung cancer depends on several factors, including:
Deciding what treatment is best for you can be difficult. Your cancer team will make recommendations, but the final decision will be yours.
The main treatment options include surgery, radiotherapy and chemotherapy. Depending on your type of cancer and how advanced it is, you may receive a combination of these treatments.
Your treatment plan depends on whether you have non-small-cell lung cancer or small-cell lung cancer.
If you have non-small-cell lung cancer that’s confined to one lung and you’re in good general health, you’ll probably have surgery to remove the cancerous cells. This may be followed by a course of chemotherapy to destroy any cancer cells that may have remained in the body.
If the cancer hasn’t spread too far but surgery isn’t possible (for example, if your general health means you have an increased risk of developing complications), radiotherapy to destroy the cancerous cells will usually be recommended. In some cases, this may be combined with chemotherapy (known as chemoradiotherapy).
If the cancer has spread too far for surgery or radiotherapy to be effective, chemotherapy is usually recommended. If the cancer starts to grow again after initial chemotherapy treatment, another course of treatment may be recommended.
In some cases, a treatment called biological or targeted therapy may be recommended as an alternative to chemotherapy, or after chemotherapy. Biological therapies are medications that can control or stop the growth of cancer cells.
Small-cell lung cancer is usually treated with chemotherapy, either on its own or in combination with radiotherapy. This can help to prolong life and relieve symptoms.
Surgery isn’t usually used to treat this type of lung cancer. This is because the cancer has often already spread to other areas of the body by the time it’s diagnosed. However, if the cancer is found very early, surgery may be used. In these cases, chemotherapy or radiotherapy may be given after surgery to help reduce the risk of the cancer returning.
There are three types of lung cancer surgery:
People are naturally concerned that they won’t be able to breathe if some or all of a lung is removed, but it’s possible to breathe normally with one lung. However, if you have breathing problems before the operation, such as breathlessness, it’s likely that these symptoms will continue after surgery.
Before surgery can take place, you’ll need to have a number of tests to check your general state of health and your lung function. These may include:
Surgery is usually performed by making a cut (incision) in your chest or side, and removing a section or all of the affected lung. Nearby lymph nodes may also be removed if it’s thought that the cancer may have spread to them.
In some cases, an alternative to this approach, called video-assisted thoracoscopic surgery (VATS), may be suitable. VATS is a type of keyhole surgery, where small incisions are made in the chest. A small fibre-optic camera is inserted into one of the incisions, so the surgeon can see images of the inside of your chest on a monitor.
You’ll probably be able to go home 5 to 10 days after your operation. However, it can take many weeks to recover fully from a lung operation.
After your operation, you’ll be encouraged to start moving about as soon as possible. Even if you have to stay in bed, you’ll need to keep doing regular leg movements to help your circulation and prevent blood clots from forming. A physiotherapist will show you breathing exercises to help prevent complications.
When you go home, you’ll need to exercise gently to build up your strength and fitness. Walking and swimming are good forms of exercise that are suitable for most people after treatment for lung cancer. Talk to your care team about which types of exercise are suitable for you.
As with all surgery, lung surgery carries a risk of complications. These are estimated to occur in one out in five cases. These complications can usually be treated using medication or additional surgery, which may mean you need to stay in hospital for longer.
Complications of lung surgery can include:
Radiotherapy is a type of treatment that uses pulses of radiation to destroy cancer cells. There are a number of ways it can be used to treat people with lung cancer.
An intensive course of radiotherapy, known as radical radiotherapy, can be used to try to cure non-small-cell lung cancer if the person isn’t healthy enough for surgery. For very small tumours, a special type of radiotherapy called stereotactic radiotherapy may be used instead of surgery.
Radiotherapy can also be used to control the symptoms and slow the spread of cancer when a cure isn’t possible (this is known as palliative radiotherapy).
A type of radiotherapy known as prophylactic cranial irradiation (PCI) is also sometimes used during the treatment of small-cell lung cancer. PCI involves treating the whole brain with a low dose of radiation. It’s used as a preventative measure because there’s a risk that small-cell lung cancer will spread to your brain.
The three main ways that radiotherapy can be given are described below:
For lung cancer, external beam radiotherapy is used more often than internal radiotherapy, particularly if it’s thought that a cure is possible. Stereotactic radiotherapy may be used to treat tumours that are very small, as it’s more effective than standard radiotherapy alone in these circumstances.
Internal radiotherapy only tends to be used as a palliative treatment when the cancer is blocking or partly blocking your airway.
A course of radiotherapy treatment can be planned in several different ways.
Radical radiotherapy is usually given five days a week, with a break at weekends. Each session of radiotherapy lasts 10-15 minutes and the course usually lasts four to seven weeks.
Continuous hyperfractionated accelerated radiotherapy (CHART) is an alternative method of delivering radical radiotherapy. CHART is given three times a day for 12 days in a row.
For stereotactic radiotherapy, fewer treatment sessions are needed because a higher dose of radiation is delivered with each treatment. People having conventional radical radiotherapy are likely to have around 20-32 treatment sessions, whereas stereotactic radiotherapy typically only requires anything from 3 to 10 sessions.
Palliative radiotherapy usually only requires one to five sessions to control your symptoms.
Side effects of radiotherapy to the chest include:
Side effects should pass once the course of radiotherapy has been completed.
Chemotherapy uses powerful cancer-killing medication to treat cancer. There are several different ways that chemotherapy can be used to treat lung cancer. For example, it can be:
Chemotherapy treatments are usually given in cycles. A cycle involves taking the chemotherapy medication for several days, then having a break for a few weeks to let your body recover from the effects of the treatment.
The number of cycles of chemotherapy you need will depend on the type and the grade of your lung cancer. Most people require four to six courses of treatment over three to six months.
Chemotherapy for lung cancer involves taking a combination of different medications. The medications are usually delivered through a drip into a vein (intravenously), or into a tube connected to one of the blood vessels in your chest. Some people may be given capsules or tablets to swallow instead.
Side effects of chemotherapy can include:
These side effects should gradually pass once your treatment has finished, or you may be able to take other medicines to make you feel better during your chemotherapy.
Chemotherapy can also weaken your immune system, making you more vulnerable to infection. Tell your care team or GP as soon as possible if you have possible signs of an infection, such as a high temperature (fever) of 38C (100.4F) or more, or you suddenly feel generally unwell.
As well as surgery, radiotherapy and chemotherapy, there are a number of other treatments that are sometimes used to treat lung cancer. These are described below.
Biological therapies are newer medications. They’re sometimes recommended as an alternative treatment to chemotherapy for non-small-cell cancer that has spread too far for surgery or radiotherapy to be effective.
Examples of biological therapies include erlotinib and gefitinib. These are also called growth factor inhibitors because they work by disrupting the growth of the cancer cells.
Biological therapies are only suitable for people who have certain proteins in their cancerous cells. Your doctor may be able to request tests on a small sample of cells removed from your lung (biopsy) to determine whether these treatments are likely to be suitable for you.
Radiofrequency ablation is a new type of treatment that can treat non-small-cell lung cancer diagnosed at an early stage.
The doctor carrying out the treatment uses a computerised tomography (CT) scanner to guide a needle to the site of the tumour. The needle will be pressed into the tumour and radio waves will be sent through the needle. These waves generate heat, which kills the cancer cells.
The most common complication of radiofrequency ablation is that a pocket of air gets trapped between the inner and outer layer of your lungs (pneumothorax). This can be treated by placing a tube into the lungs to drain away the trapped air.
Cryotherapy is a treatment that can be used if the cancer starts to block your airways. This is known as endobronchial obstruction, and it can cause symptoms such as:
Cryotherapy is performed in a similar way to internal radiotherapy, except that instead of using a radioactive source, a device known as a cryoprobe is placed against the tumour. The cryoprobe can generate very cold temperatures, which help to shrink the tumour.
Photodynamic therapy (PDT) is a treatment that can be used to treat early-stage lung cancer when a person is unable or unwilling to have surgery. It can also be used to remove a tumour that’s blocking the airways.
Photodynamic therapy is carried out in two stages. Firstly, you’ll be given an injection of a medication that makes the cells in your body very sensitive to light.
The next stage is carried out 24-72 hours later. A thin tube will be guided to the site of the tumour, and a laser will be beamed through it. The cancerous cells, which are now more sensitive to light, will be destroyed by the laser beam.
Side effects of photodynamic therapy can include inflammation of the airways and a build-up of fluid in the lungs. Both these side effects can cause symptoms of breathlessness and lung and throat pain. However, these symptoms should gradually pass as your lungs recover from the effects of the treatment.
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SOURCE: NHS UK