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Doctor insights on: Lung Cancer

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Dr. David Cooke
827 doctors shared insights

Lung Cancer (Overview)

From national cancer institute: "cancer that forms in tissues of the lung, usually in the cells lining air passages. The two main types are small cell lung cancer and non-small cell lung cancer. These types are diagnosed based on how the cells look under a microscope".


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What causes lung cancer?

What causes lung cancer?

Several causes...: But the most common correlation with lung cancer is smoking. Smoking alone will increase your risk of lung cancer by about 20 times by smoking one pack per day for twenty years. Other sources can be genetic (alpha-1 antitrypsin disorder), related to environmental exposures that are inhaled, or other less common reasons. ...Read more

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Dr. David Cooke
827 doctors shared insights

Lung Cancer (Overview)

From national cancer institute: "cancer that forms in tissues of the lung, usually in the cells lining air passages. The two main types are small cell lung cancer and non-small cell lung cancer. These types are diagnosed based on how the cells look under a microscope".


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What is lung cancer caused by in nonsmoker?

What is lung cancer caused by in nonsmoker?

Many things: >80% of lung cancer is caused by smoking. However never smokers (defined as <100 cigarettes in lifetime) can get smoking. Risk factors include radon exposure, second hand smoke, and genetic mutations such as egfr activating mutations. ...Read more

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What are lung cancer symptoms?

What are lung cancer symptoms?

Often none: ...Until the cancer is advanced, thus the potential benefit of screening methods in patients at risk. When symptoms happen, they are lung related (cough, shortness of breath, spitting blood) or related to advanced disease like bone pain or headaches due to metastases. Also, patients can experience fatigue and weight loss. If you smoke, please don't. ...Read more

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What if lung cancer spread to spine?

What if lung cancer spread to spine?

Depends: When cancer spreads to the spine it can weaken the vertebral bodies resulting in compression fractures. Severe fracture may cause impingement of the spinal cord requiring surgery to decompress and sometime stabilize the segment. ...Read more

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What does lung cancer look like on an x-ray?

What does lung cancer look like on an x-ray?

It varies: It can be a mass, or unusual calcifications, or an unusual "infiltrate" on a chest x-ray. In other words, it can have many different appearances. A chest x-ray is a great tool, but it takes skill to interpret. I do not recommend you try to interpret your films, but your doc can review it with you to give insights. Hope this helps. ...Read more

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I am wondering what causes lung cancer besides smoking?

I am wondering what causes lung cancer besides smoking?

Multiple: Radon gas, industrial air pollution, asbestos, genetics, etc. Given enough time, studies will likely show that anything can cause cancer, given a larger enough concentration, exposure, and time. ...Read more

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What does lung cancer look like on an xray?

May vary: It may look like a small round nodule with smooth or spiculated edges. In some instances, it may have the appearance of ground glass or pneumonia. The clinical situation must be evaluated by your doctor. ...Read more

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What does lung cancer have to do with homeostasis?

What does lung cancer have to do with homeostasis?

Artificial question: All cancers are the result of accumulated genetic mutations in a line of cells, and unless you are treated with surgery, radiation and/or evidence-based chemotherapy for lung cancer, it will kill you. The word "homeostasis" is misused by charlatans. Anyone who tells you otherwise, or that they have something that "will restore homeostasis naturally" without scientific rx is deceiving you. ...Read more

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Dr. Barry Rosen
4,224 doctors shared insights

Cancer (Definition)

Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more


Lung (Definition)

Deoxygenated blood enters the lungs from the right side of the heart and travels to the lungs. When you inspire, oxygen flows into the lungs, transverses the capilliares and attaches to hemoglobin down a gradient. At the same time, co2 diffuses into the capilaries and is expelled with exhalation. Oxygen rich blood then flows to the left side of the heart and into the ...Read more