Doctor insights on:
What Is A Lung Cancer
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
Several: Possible treatments for lung cancer include surgery, radiation therapy, radiofrequency ablation, conventional chemotherapy, targeted molecular biological therapies, and others. The main determinants of the "best" therapy for a given patient are the stage (extent) of the cancer and the patients underlying health and lung function status. Smoking cessation is very important. Hope that this helps. ...Read more
Depends: Early stage lung cancer can be asymptomatic or no symptoms. Often it is found incidentally by chest xray or chest ct scan. Ct scan screening for high risk patients has shown to be effective. Larger cancers can cause symptoms such as bleeding (hemoptysis), wheezing, weight loss and other symptoms. ...Read moreSee 2 more doctor answers
NSCLC(EGFR mutation): Lung cancer is broadly divided into two types; (1) non-small cell lung cancer (nsclc) & (2) small cell lung cancer. When biopsy shows nsclc, pathologists do further testing to determine specific mutations in cancer cells. If the testing shows that cancer cells express epidermal growth factor receptor (egfr), tarceva (erlotinib) maybe indicated for targeted therapy. ...Read moreSee 2 more doctor answers
What's probability of lung cancer after 2 year of fatigue, HRCT showed 1 solitary sub cm lymph node. Sodium bit low.Worry sympts are paraneoplastic?
An array: The lung can be a site of metastatic cells shed from their primary and contaii a surface glycoprotein allowing implantation in lung parenchyma. The primary lesions that arise in the tracheobronchial tree are squamous and associated with smoking. The adenocarcinomas which are now most frequent are possibly viral in origin and the small cell neuroendocrines are similar to carcinoid of bowel. ...Read more
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 moreSee 4 more doctor answers
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. For more info: http://bit.Ly/ygfoko. ...Read moreSee 2 more doctor answers
Health/no smoking.: Apart from a healthy lifestyle, like diet and exercise, the best thing to do would be to refrain from smoking anything. Countless studies have shown that people whjo do not smoke have a greatly reduced risk of lung cancer. There are some types, like bronchioloalveolar carcinoma, that is more common in female non-smokers, but overall, lung cancer is associated with smoking. ...Read moreSee 2 more doctor answers
While it not zero...: It is remarkably reduced, and closer to the people who never smoked, and life is not a pursuit with zero risk. We try to control the things that we can, and sometimes young folks foolishly start to smoke not realizing the hazard, especially that once hooked it is hard to quit. Also, it's number of years and packs smoked not age stopping. ...Read moreSee 2 more doctor answers
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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