Lung cancer is medical condition which is characterized by uncontrolled and abnormal lung cells division. This abnormal grow can lead to metastasis in any organ in the body. According to the statistics, lung cancer is responsible for the majority of deaths because of cancer. Lung cancer causes 1.3 million deaths worldwide annually.
Lung Cancer Symptoms
The main and most important function of the lungs is exchanges of gases between blood and air we breathe. Throughout lung carbon dioxide is removed from the blood and oxygen from outside air enters the bloodstream. Once the lung cancer affects this respiratory organ, symptoms, such as shortness of breath, coughing and weight loss can occur.
Lung Cancer Causes
It is believed that the main causes of lung cancer include tobacco smoke, genetic factors, air pollution, secondhand smoke, radon gas, asbestos, some viruses and chemical materials.
Treatment for Lung Cancer
Because of the fact, that lung is the only one organ in the human organism which is responsible for carbon dioxide and oxygen exchanges between air outside and the bloodstream, it is important to start treatment for lung cancer as soon as possible. It is known, that treatment provides the best results when it is started in the first phases of cancer, while there are no metastases to other organs.
The most common treatments for lung cancer include chemotherapy, radiotherapy, intervention radiology, targeted therapy and surgery.