Surgery: invasive technique to remove the tumor. Usually also extracted tissue surrounding the tumor, to prevent metastasis.

Radiation therapy: high-energy rays are used to damage cancer cells, thereby halting its growth and division.

Chemotherapy is drug treatment, which involves the injection of drugs that attack cancer cells in blood vessels or muscles. Chemotherapy is usually given in cycles, ie, after a treatment period is a recovery.

Hormone therapy: some types of cancer, including breast and prostate cancer depends on certain hormones for growth. Therefore, the specialist may recommend this type of therapy to prevent cancer cells from collecting or using the hormones needed to be further developed. This is achieved through the removal of ovaries or testes, in some cases, or by drugs that stop the hormone production.

Biological therapy: also called immunotherapy, is a treatment that uses the body itself to protect the body from infectious disease or treatment effects through the immune system.

The doctor may use a method or a combination of methods. The choice of treatment depends on the type and location of cancer, whether the disease has spread, the patient’s age and general health, among other factors.

The snuff smoking is the main cause in 90% of cases of lung cancer in both men and women. Decades ago, this tumor was much less common in women and it was featured it was more likely that was not related to snuff. These differences are disappearing rapidly, reflecting the incorporation of women with smoking in the previous years.

Another part of this type of cancer is caused by inhaled substances and who are in the workplace, a phenomenon related to the 10% -15% of lung cancer in males and 5% in women. The most important of these substances are asbestos, such as those used in asbestos factories.

Lung cancer can also be caused by radiation received at the chest, such as treatment with radiation therapy used to treat breast cancer and lymphoma. The interval between radiation exposure and cancer onset is usually very long, around age 20. The greatest risk are people who tried for many years with old appliances, and smoked during the following years. The risk with modern radiotherapy equipment is very low.

Hereditary factors have little relation to lung cancer.