Doctor insights on:
What Percentage Of Smokers Die Of Lung Cancer
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
Lung cancer: Cancer of any location can happen to any person. Because cigarette smoke is rich with cancer-causing agents, people who smoke are much more susceptible to getting cancer at sites affected by smoke (mouth, throat, lungs). As less people smoke, at least in the us, we're seeing more cancers in non-smokers and at a younger age. In some lung cancers, they are people with a gene mutation called egfr. ...Read moreSee 2 more doctor answers
Very sad.: Usually an overwhelming pneumonia. The person becomes very short of breath. Usually bed ridden, pneumonia and respiratory failure. Other patients may have a brain metastasis that bleeds or grows too much, other times it spreads to the spine, the liver. If the liver metastasis grow liver failure may occur. Sometimes tumor grows to esophagus obstructs and aspiration. Pulmonary emboli, heart attack. ...Read more
The stage and others: Will depend on the stage and other prognostic factors. In general, the 5 year overall survival for stage 1 is 60-80%., stage 2 is 40-50%; stage 3 is 10-23%, and stage 4 is less than 10%. These however are the statistics obtained when using regular cytotoxic chemotherapy. With more personalized and more targetted therapy-we are hoping the number will improve. ...Read moreSee 2 more doctor answers
I am just curious about what are the first symptoms of lung cancer, how long does it take a smoker to get it and what is the average age of diagnosis?
Often asymptomatic.: This is often asymptomatic with about 5-15% detected from symptoms. Pesistent cough is the usual presenting sign, with hemoptysis, wheeze, dyspnea or difficulty breathing, depending on its site. Hoarseness, and respiratory failure can mean spread beyond the lungs. This occurs most at 55-65 years and since smoking is the most common cause, it likely takes from its start so don't start smoking. ...Read moreSee 2 more doctor answers
Depend on the stage: Will depend on the type and the stage of cancer. However, if you continue to smoke after being diagnosed of lung cancer-not only the response to treatment will be lower than if you stop smoking, but also, you will have significant risk for recurrence or other episode of primary lung cancer and other type of cancer that related to cigarette smoking. ...Read moreSee 2 more doctor answers
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- What percentage of smokers get lung cancer or emphysema?
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