Lung cancer is characterized by the formation of cancer cells in any part of the organ. Lungs play a vital role in the human body as it helps with the inhalation of pure oxygen and exhalation of carbon dioxide. When these pair of organs are affected by cancer, the breathing capacity of the person may reduce or some area of the lungs may be rendered useless. It is estimated that lung cancer is the leading cause of cancer-related deaths in the US, among both men and women.
Lung cancer treatment in Thailand is conducted by a team of highly experienced oncologists. When a patient visits the doctor with a certain set of symptoms, the doctor may order a few tests to diagnose lung cancer, These may include imaging tests, sputum cytology, and a biopsy conducted on a piece of tissue retrieved from the lung. Once confirmed, specific tests are conducted to determine the stage and extent of cancer. Accordingly, the doctor may prepare a treatment plan which may include a surgery (wedge resection, segmental resection, lobectomy, or pneumonectomy), radiation therapy, chemotherapy, radiosurgery, or immunotherapy. A combination of these treatments is often used to treat patients.
Lung cancer treatment cost in Thailand varies from one patient to the other. In fact, it solely depends on the treatment duration and the type of treatment modalities used for the elimination of cancer cells. A majority of patients are advised to undergo a surgery, which is then followed up with multiple cycles of chemotherapy and radiation therapy. Others may be advised to undergo radiosurgery, especially those who are unfit to undergo a surgery.
Lung cancer is an uncontrolled growth of cells that start off in the lungs. Usually, lung cancer starts in the cells that line the air passages. Instead of developing into healthy lung tissue, the cells divide rapidly and form tumours.
Lung cancer can grow and spread beyond the lung to reach other parts of the body through metastasis. Lung cancers can begin in any part of the lung, but 90 percent of lung cancers begin in the epithelial cells, which are the cells lining the larger and smaller airways also known as bronchi and bronchioles.
This is the reason why lung cancers are sometimes called bronchogenic cancers or bronchogenic carcinomas. Lung cancer is the most common cancer in the world, among both men and women. It is the leading cause of cancer deaths worldwide.
Long-term smoking is the main cause of lung cancer. After smoking, genetic factors and exposure to radon gas, asbestos, second-hand smoke or other forms of air pollution can also increase the risk of lung cancer.
There are two major types of lung cancers, based on the appearance of lung cancer cells under the microscope:
It is necessary to determine the stage of lung cancer by finding out how far cancer has spread, before initiating treatment of lung cancer.
The following are the four lung cancer stages of NSCLC:
After the determination of stage, treatment of lung cancer starts with choosing the best suitable option for the patient. However, there is usually no single treatment for lung cancer. So the patient often receives a combination of therapies and palliative care.
Lung cancer symptoms may vary, depending upon where and how widespread the tumour is. A person with lung cancer may have following lung cancer symptoms:
The treatment of lung cancer may include the following modalities:
Surgery is the best treatment if the lung cancer is in its early stages. In the early stages, it is possible to cure a patient completely by removing the tumor and the nearby lymph nodes. But after cancer has spread, it is nearly impossible to remove all of the cancer cells with the help of surgery.
There are some specific types of surgical procedures for different location and kinds of lung cancers, such as wedge resection of the lung (removal of a portion of one lobe), lobectomy (removal of one lobe), pneumonectomy (removal of an entire lung) and lymphadenectomy (removal of lymph nodes in the region of the lungs). After the surgery, margin tissues are further studied to see if cancer cells are present or not.
Lung cancer surgery is a major surgical procedure that requires hospitalization, general anesthesia, and follow-up care for a few weeks to several months. It also carries side effects like any other surgery, including complications related to bleeding, infection, and general anesthesia.
This treatment uses high-energy X-rays or other types of radiation to destroy or shrink lung cancer tumors. Radiation therapy can be given as a curative therapy, palliative therapy, or as adjuvant therapy combined with surgery or chemotherapy.
Radiation therapy damages the molecules that make up the cancer cells. However, it can damage the normal, healthy tissues. But nowadays improved technology can focus the radiation on precise locations for certain lengths of time, thus reducing the risk of damage to the surrounding healthy tissues.
Chemotherapy is a strong medication treatment, which interferes with the cell division process and damage proteins or DNA to reduce cancer cells. NSCLC and SCLC, both types of lung cancers can be treated with chemotherapy. Chemotherapy might be given in the form of pills, intravenous infusion, or as a combination of both.
However, drugs used in chemotherapy also kill normally dividing cells in the body that may lead to unpleasant side effects. Some of the common side effects of chemotherapy are vomiting, diarrhea, appetite loss, hair loss, fatigue, anemia, infections and more. These side effects may be felt temporarily during treatment, and several drugs exist to help patients cope with the symptoms.
Drugs used in this treatment work by targeting specific abnormalities in the cancer cells. Some of the drugs in this treatment can also strengthen the activity of the immune system against cancer cells. But mostly this treatment only works in people whose cancer cells show certain genetic mutations.
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