What Are The Most Common Lung Diseases?

Lung Cancer

The lungs are the two delicate organs in the chest cavity that facilitate the exchange of oxygen and carbon dioxide in the blood before it is pumped by the heart back to the tissues in the rest of the body. Lung cancer is a common lung disease, leading the United States in most deaths attributed to cancer. Most cases of lung cancer are caused by smoking cigarettes and exposure to other carcinogens commonly found in certain occupations. A small percentage of lung cancer cases occur in individuals who do not smoke because of genetic factors and a general predisposition to developing cancer. Symptoms of lung cancer include a productive cough that will not go away, hoarseness, unintentional weight loss, headaches, bone pain, chest pain, shortness of breath, and coughing up blood in small or large amounts. A diagnosis of lung cancer is made with the use of sputum cytology, x-ray imaging, CT scans, and lung tissue biopsy. Treatment options include surgery, radiosurgery, chemotherapy, radiation therapy, immunotherapy, and palliative care.

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