Lung cancer accounts for approximately one-third of cancer deaths. The incidence of non-small cell lung cancer (NSCLC) is increasing in patients who have never smoked or have a minimal smoking history.

Lung cancer is the most common cancer in the world. This is the most aggressive, metastatic cancer that spreads from the lungs to the lymph nodes and other organs in the body.

Once a patient has been diagnosed with lung cancer, doctors will provide information about the patient's current cancer stage. Understanding the stage of lung cancer can also help people understand the progression of the disease and which parts of the lungs are affected.

About one-third of lung cancer patients are diagnosed with localized disease that can be treated with surgical resection. If the patient is not a candidate for surgical resection (due to old age, medical comorbidities or the patient refuses surgery) it is completely possible to treat with radical radiotherapy.

In its early stages, lung cancer may not produce any noticeable symptoms, and many people are not diagnosed early until the disease is more advanced. Here are the signs