Lung Cancer – Causes, Effects, Symptoms & Treatment

Lung Cancer - Causes, Effects, Symptoms & Treatment

Lung cancer is a type of cancer that starts in the lungs. It is caused by the abnormal growth of cells in the lung tissue. This disease is the leading cause of cancer deaths worldwide, and it is most often caused by smoking. However, other risk factors include exposure to radon gas, air pollution, and exposure to certain chemicals and substances in the workplace.

There are two main types of lung cancer: non-small cell lung cancer (NSCLC) and small cell lung cancer (SCLC). NSCLC is the most common type of lung cancer, and it is usually diagnosed in its later stages. SCLC is a more aggressive form of lung cancer that often spreads to other parts of the body more quickly.

Symptoms of lung cancer can include a persistent cough, chest pain, shortness of breath, hoarseness, and weight loss. A person with lung cancer may also experience a loss of appetite, fatigue, and weakness.

Diagnosis of lung cancer typically involves a physical exam, imaging tests such as a chest X-ray or CT scan, and a biopsy of the lung tissue. Treatment options for lung cancer include surgery, radiation therapy, and chemotherapy. In some cases, targeted therapy or immunotherapy may also be used.

Preventing lung cancer includes not smoking, avoiding exposure to radon gas and air pollution, and eating a healthy diet. Those who have a higher risk of lung cancer due to a history of smoking or exposure to certain chemicals or substances in the workplace should also undergo regular screenings.

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