What is Lung Cancer And How To Diagnose It?

When an analysis gives a positive result of lung cancer, it has to be treated immediately, some treatments indicated for this cancer are:
Surgery is used to remove the tumor when it has spread beyond the lymph nodes.
The use of chemotherapies is to eliminate cancer cells and prevent the growth of new malignant cells.
Radiation therapies, X-rays are used to destroy cancer cells.
The above-mentioned treatments can be done combined or alone, everything is the independence of what the specialist indicates.