Lung cancer is the uncontrolled growth of abnormal cells that start off in one or both lungs. According to WebMD, lung cancer is the leading cause of cancer death for both men and women, in the United States of America. Lung cancer causes more deaths than breast, prostate, and colorectal cancer combined. This is tragic because it is one of the most preventable kinds of cancer. There are different types of lung cancer, and each has signs and symptoms, diagnostic tests and treatments for their type. There are many factors that may increase the risk of lung cancer. Smoking, exposure to radon gas, harsh chemicals, excessive alcohol use, and family history are a few. Smoking causes the majority of lung cancers, whether it is the smoker or the people exposed to secondhand smoke. The two major types of lung cancer include small and non-small cell. Both small cell and non-small cell lung cancer affect different types of cells in the lung and spread in different ways. Small cell lung cancer is limited to a section of the chest known as the hemithorax and regional lymph. Small cell lung cancer usually exists early and spreads out quickly. Non-small cell lung cancer is the most common. It is first confined to the lung, and then spreads throughout the chest.
Lung cancer typically does not cause signs and symptoms in its earliest stages, but more so when the disease is advanced. A nagging cough is one of the more common symptoms and is likely to happen when a tumor is large and blocks an air passage. Another symptom is chest, shoulder, or back pain, which feels like a constant ache that may or may not be related to coughing. Other symptoms may include shortness of breath, fatigue, weight loss, repeated pneumonia or bronchitis, coughing up blood, hoarseness, unexplained weakness in the legs, or swelling of the neck and face. Sometimes there are symptoms that seem unrelated to the lungs. The primary lung cancer may have already spread to other parts of the body. Depending on...
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