Doctor insights on:
What Percentage Of Lung Cancer Victims Are Smokers
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
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
Not fully know: Not fully know, possibly genetics. Importantly, smoking is the primary risk factor for causing 90% of lung cancer. Though it is clear that some people who smoke their whole lives never develop lung cancer, quitting smoking remains the most important aspect of lung cancer prevention and should be strongly encouraged. ...Read more
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
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
Lung cancer: No one knows why.Get a more detailed answer ›
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
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