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Lung cancer. Lung cancer, also known as lung carcinoma, is a malignant tumor that begins in the lung. Lung cancer is caused by genetic damage to the DNA of cells in the airways, often caused by cigarette smoking or inhaling damaging chemicals. Damaged airway cells gain the ability to multiply unchecked, causing the growth of a tumor.
The American Cancer Society estimates that in 2023, there will be about 238,000 cases of lung cancer, and about 127,000 people will die from lung cancer. Smoking is the number one risk factor for ...
Non-small cell lung cancer is a common type of lung cancer that is often diagnosed with a physical exam, blood tests, imaging studies, procedures, and biopsies. ... and current symptoms.
Constitutional Symptoms. Unexplained pain: Pain that persists, has no clear cause, and does not respond to treatment may be a warning sign of many types of cancers. Unexplained night sweats or fever: These may be signs of an immune system cancer. Fever in children rarely points to malignancy, but may merit evaluation.
The signs and symptoms of this specific type of lung cancer are similar to other forms of lung cancer, and patients most commonly complain of persistent cough and shortness of breath. Adenocarcinoma is more common in patients with a history of cigarette smoking, and is the most common form of lung cancer in younger women and Asian populations.
Lung cancer typically has few symptoms early on. By the time individuals notice something is wrong, their cancer is usually at an advanced stage. Back pain and other unusual signs of lung cancer
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