What is oesophageal cancer?
Oesophageal cancer (or US spelling - esophageal cancer) is a malignant tumour found anywhere in the oesophagus. In Australia it is most commonly found in the lower section of the oesophagus, adjoining the stomach. The main types of oesophageal cancer are:
- Adenocarcinoma which starts in the glandular tissue of the cells lining the oesophagus. This is the most common form of oesophageal cancer in Australia.
- Squamous cell carcinoma which starts in the cells that line the oesophagus.
In 2016, there were 1489 new cases of oesophageal cancer diagnosed in Australia.
In 2018, there were 1545 deaths from oesophageal cancer in Australia.
The five year survival rate for oesophageal cancer is 22%.
Oesophageal cancer symptoms
Oesophageal cancer is slow- growing and usually detected in advanced stages, as there may not be any symptoms in the early stages. Symptoms of oesophageal cancer may include:
difficult or painful swallowing
black or bloody stools
feeling of choking when swallowing
discomfort in the upper abdomen particularly when eating
Causes of oesophageal cancer
Risk factors for oesophageal cancer include:
high alcohol consumption
diet low in fresh fruit and vegetables
drinking very hot liquids (above 65°C) frequently
exposure to certain chemical fumes
family history of gastrointestinal disorders
certain medical conditions such as Barrett's oesophagus or gastro-intestinal reflux disease
Diagnosis of oesophageal cancer
Recommended tests for oesophageal cancer are likely to depend on your symptoms. Tests to diagnose oesophageal cancer may include:
The most common investigation for oesophageal cancer is an endoscopy. Your doctor will use an endoscope (thin, flexible tube with a camera at the end) to look at your digestive tract. A small amount of tissue may also be removed (biopsy) and examined by a pathologist to check for signs of disease.
Endoscopic ultrasound uses an endoscope with a probe which releases soundwaves that bounce off anything solid such as a tumour or organ. This test may indicate if cancer has spread into the oesophageal wall or lymph nodes.
Scans or imaging tests such as CT/PET scans or a laparoscopy may be used to detect if the cancer has spread. Less frequently, tests such as a bone scan or an ultrasound may be used.
Treatment for oesophageal cancer
The type of treatment you have will depend on the extent of the cancer.
Tests for oesophageal cancer may also indicate the extent of the cancer and how far it has spread. This is called staging and will help your doctor decide on the best treatment for you.
Surgery is commonly used to treat oesophageal cancer. The type of surgery is likely to depend on the size and location of the tumour.
In surgery, part or all of the oesophagus is removed. If part of the oesophagus is removed the surgeon will rejoin the remaining part to your stomach. If the whole oesophagus is removed, your stomach or part of your bowel may be used to replace it.
You may have chemotherapy and/or radiation therapy after surgery in order to destroy any remaining cancer cells.
Palliative care aims to improve quality of life without trying to cure the disease, by alleviating symptoms of oesophageal cancer such as difficulty swallowing and nausea. Palliative care for oesophageal cancer may include radiotherapy, chemotherapy or other medications.
Treatment TeamDepending on your treatment, your treatment team may consist of a number of different health professionals, such as:
- GP (General Practitioner)- looks after your general health and works with your specialiststo coordinate treatment.
- Endoscopist- diagnoses and treats diseases of the gastrointestinal tract.
- Gastroenterologist- specialises in diseases of the digestive system.
- Upper gastrointestinal surgeon- specialises in surgery to treat diseases of the upper digestive system.
- Radiation oncologist- prescribes and coordinates radiation therapy treatment.
- Medical oncologist- prescribes and coordinates the course of chemotherapy.
- Cancer nurses- assist with treatment and provide information and support throughout your treatment.
- Other allied health professionals- such as social workers, pharmacists and counsellors.
Screening for oesophageal cancer
There is currently no screening for oesophageal cancer available in Australia.
Preventing oesophageal cancer
Lifestyle factors such as poor nutrition and being overweight or obese, smoking tobacco and high alcohol consumption significantly increase the risk of oesophageal cancer.
Prognosis of oesophageal cancer
Prognosis refers to the expected outcome of a disease. It is not possible for a doctor to predict the exact course of your cancer. However, your doctor may provide a guide to likely treatment outcomes based on your test results, the extent of the tumour, whether it has spread to the lymph nodes, your age and your overall health. This information will also help your doctor advise on the best course of treatment.
Chances of successful treatment are better if the cancer is diagnosed early. If the cancer is found after it has spread from the primary site then the prognosis is not as good.
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