Lung
Overview
Lung cancer is a type of cancer that begins in the lungs. Lung cancer is the leading cause of cancer deaths worldwide. People who smoke have the greatest risk of lung cancer, though lung cancer can also occur in people who have never smoked. The risk of lung cancer increases with the length of time and number of cigarettes you’ve smoked. If you quit smoking, even after smoking for many years, you can significantly reduce your chances of developing lung cancer.
Symptom

Lung cancer typically doesn’t cause signs and symptoms in its earliest stages. Signs and symptoms of lung cancer typically occur when the disease is advanced.

Signs and symptoms of lung cancer may include:

A new cough that doesn’t go away
Coughing up blood, even a small amount
Shortness of breath
Chest pain
Hoarseness
Losing weight without trying
Bone pain
Headache

Treatment
Surgery is considered as the best choice for stage I non-small cell lung cancer and also in treatment of selected patients with lung metastasis. However, surgery is often a high-risk procedure because of severe medical comorbidities affecting this cohort of patients. RFA is a safe and effective technique within the framework of a substitutive or complementary treatment of non-operable lung cancer. RFA, as mini-invasive procedure, delivering energy to the tumor through percutaneous needle introduced under guidance of computed tomography. The procedure may be performed under conscious sedation or general anesthesia to avoid pain caused by needle insertion and tissue heating.