Yes, lung cancer is a fatal disease. It is the leading cause of cancer-related deaths in the world, and it accounts for around one in five of all cancer deaths.
Lung cancer can be caused by a variety of factors, including smoking, exposure to certain chemicals, radiation exposure, and exposure to air pollution. It can also be caused by genetics, though this is not as common.
When lung cancer is diagnosed in its early stages, it is usually treatable with surgery, chemotherapy, and/or radiation. However, if it is not caught early enough, the cancer can spread to other parts of the body, making it much more difficult to treat. In these cases, the cancer is typically considered incurable.
Overall, lung cancer is a very serious and potentially fatal disease. It is important to be aware of the risks and to seek medical attention if you experience any symptoms of lung cancer, such as a persistent cough, difficulty breathing, or chest pain. Early detection and treatment can greatly improve your chances of survival.