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A. Cancer is a disease of cells in the body. Normally cells grow and multiply in an orderly way, with new cells made only when they are needed. When someone has cancer, this process goes wrong and cancer cells grow and multiply too quickly. As they multiply and grow, the cancer cells damage healthy tissue.
A. In ovarian cancer, the cancer cells come from the ovary. This is called a primary ovarian cancer. However, in some instances these cells are thought to come from the fallopian tubes that are close to your ovaries. Sometimes the cells can spread beyond the ovary to the womb, abdomen and lungs. The cells then grow in these new sites as secondary tumours. When cancer spreads like this, it is called metastasis.
The majority of cases occur in women who have gone through the menopause and are usually aged over 50, but younger women can also be affected.
The earlier the disease is found and treated, the better the survival rate.
There are several types of ovarian cancer. The most common type is epithelial ovarian cancer, which develops from the surface layer of cells in the ovary. This cancer type is rare in young women and is usually found in women who have been through the menopause.
A. In most cases, the reason why ovarian cancer develops is unknown. However, there are factors that can affect the risk of ovarian cancer developing:
A. Most women have very few symptoms but you may experience one or more of the following:
A. Ovarian cancer may be suspected if an ovary appears abnormal on an ultrasound scan. Abnormal blood tests such as high levels of a protein called CA125 can make it more likely that it is malignant.
You are likely to be offered a CT scan (computed tomography scan) of your abdomen and pelvis.
Sometimes you may be advised to have a biopsy (the taking of a small sample of tissue for examination). This may be done with you awake in the X-ray department or as a keyhole operation with a general anaesthetic.
If your abdomen is swollen with fluid (called ascites) you may be advised to have this drained. This is usually done under ultrasound guidance. The removed fluid may be checked for cancer cells.
A. The stage of a cancer tells you how far the cancer has spread. Doctors divide ovarian cancer into four stages. The stage can only be confirmed by having surgery.
Stage 1 – only affecting one or both of the ovaries
Stage 2 – has spread outside the ovaries but not outside the pelvis
Stage 3 – has spread outside the pelvis to the lining of the abdomen and bowel
Stage 4 – has spread to other parts of the body such as liver, spleen, lungs
Cancer cells are graded according to how they look under a microscope. The cancer can be low grade (slow-growing in appearance), moderate grade (more abnormal than low grade) or high grade (fast-growing in appearance).
The stage and grade of disease will help your specialist team decide on the best type of treatment for you.
A. Treatment options include:
The treatment you will be offered will depend on the stage and grade of the cancer, your general health and your own wishes.
You should be advised on the benefits, risks, side effects and likely success rate of treatment options.
There is a good chance of successful treatment if your cancer is diagnosed at an early stage.
The team caring for you may use the word ‘remission’, which means there is no sign of cancer returning after treatment has ended.
The more advanced the cancer is at the time of diagnosis, the less likely you will go into remission, but treatment can often shrink the cancer and relieve symptoms.
New forms of treatment for ovarian cancer are being developed. Your specialist team will be able to discuss the best treatment option for your individual circumstances.
A. Most women will require surgery.
The type of surgery will depend on the cancer stage and grade and on your wishes.
Surgery usually involves removing both ovaries and the fallopian tubes (called a bilateral salpingo-oophorectomy), the womb and cervix (called a total hysterectomy) and the layer of fatty tissue in the abdomen known as the omentum (called an omentectomy). Biopsies and some lymph nodes may also be taken from your abdomen and pelvis. This helps to give an accurate idea of the stage the cancer has reached and to decide whether you need further treatment.
If the cancer has spread to other areas of your pelvis or abdomen, your surgeon will remove as much of the cancer as safely possible. The less cancer left in your body after surgery, the more likely chemotherapy is to work.
If the cancer is at an early stage and you wish to become pregnant, you may only need to have the affected ovary and tube removed. Your specialist team will discuss with you the benefits and risks of this form of surgery and they will also discuss the possibility of egg or embryo freezing before treatment.
Surgery may not always be possible because of where the cancer is or if you are not well enough for an operation. If this is the case, your specialist team may recommend chemotherapy to shrink the tumour and relieve symptoms.
A. Chemotherapy treats cancer by using anti-cancer (cytotoxic) drugs to kill cancer cells.
Ovarian cancer is usually very sensitive to chemotherapy.
It is usually given after surgery. Sometimes it may be given before surgery, usually to help shrink the tumour and to make it easier to remove. This is called neoadjuvant chemotherapy.
There are a number of different anti-cancer drugs and different treatment plans. You may have a single drug or a combination of drugs. The choice of drug and how and when it is given depends on the stage and grade of your cancer and your general health. You are most likely to have either a platinum-containing drug (carboplatin) on its own or in combination with another anti-cancer drug called paclitaxel.
You will usually be given the chemotherapy through a drip in your arm over several hours in hospital. Most women have the treatment as an outpatient. A session of chemotherapy is followed by a period of rest to allow your body to recover. This is known as a cycle and often takes 3 weeks. Most women have six cycles of chemotherapy.
There are some side effects of chemotherapy. These will depend on the drugs you have, the dose and your individual reaction to the drug.
The main side effects of chemotherapy are caused by its effect on the healthy cells in your body. Side effects may include nausea and vomiting, loss of appetite, tiredness, a sore mouth, hair loss, numbness or tingling in the hands and feet, and an increased risk of getting infections. Often these side effects can be well controlled with medication.
A. Radiotherapy is a treatment that uses high-energy radiation beams to target rapidly growing cancer cells.
Radiotherapy is not often used in the treatment of ovarian cancer but your specialist team may recommend it in some circumstances such as for shrinking a secondary tumour and/or for treatment of pain.
A. You may not be well enough to have the treatment/s described above or you may decide against anti-cancer treatment. If so, you should discuss your wishes with your doctor.
You will be offered treatment to relieve symptoms. This is known as supportive or palliative care.
A. As well as clinical follow-up by your doctor, the following may be helpful to monitor your response to treatment:
A. Cancer can return after treatment.
If this happens, you are likely to be offered another course of chemotherapy.
There are a number of anti-cancer drugs that can be used.
Your specialist will recommend the drug or drug combination that is best for you. This will depend on the type of ovarian cancer, the drugs you had before and how well they worked, how long you were in remission and what side effects you had.
You may be advised to have carboplatin again, usually in combination with another drug such as gemcitabine.
A. These are new types of cancer treatment. By targeting a particular part of the tumour cell, these drugs may cause less damage to healthy cells than more traditional chemotherapy.
The benefits of drugs that stop the formation of new blood vessels, such as bevacizumab, used in combination with other chemotherapy drugs are still being tested. If your specialist recommends bevacizumab, he or she will explain why as well as discuss the possible side effects.
If you have developed ovarian cancer due to a faulty BRCA1 or BRCA2 gene, you may be treated with drugs called PARP inhibitors. These drugs target tumour cells while sparing normal cells. The benefits of these drugs are still being assessed and tested.
If you are asked to take part in a clinical trial on the treatment of ovarian cancer, you will be given written and verbal information so you can make an informed decision on whether or not to take part. If you do not wish to take part or if you withdraw from the trial at any stage, this will not affect the quality of the care you will receive.
A. Your specialist team will advise you to have regular hospital follow-ups after treatment.
For the first couple of years, you will have follow-up appointments every 2–3 months. If all remains well, the visits will then become less frequent and you may only be seen once or twice a year for up to 5 years.
It is important to attend these follow-up visits even if you are feeling well, as cancer can return even when you have no symptoms.
Should you get symptoms or be worried about anything, contact your specialist team as soon as possible. Do not wait until your next appointment.
At your follow-up visit, the doctor will ask you how you are feeling and whether you have any symptoms or are suffering from side effects of treatment. He or she will usually examine you. You may also have blood tests, scans or X-rays to see how your cancer has responded to treatment.