Doctor insights on:
What Are The Chances Of A Nonsmoker Ever Having Lung Cancer
Can lung cancer ever appear on an xray, be diagnosed as pneumonia and then not appear on two subsequent xrays or was it really pneumonia.
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 ca in nonsmoker: Worldwide, lung cancer in never smokers account for 15 to 20 % of cases in men and over 50 percent in women. In us, the age-adjusted incidence rate for lung cancer in never smokers aged 40 to 79 years ranged from 11 to 14/ 100, 000 person-years for men and from 15 to 21/100, 000 person-years for women. ...Read moreSee 2 more doctor answers
See below: 15% of all lung cancers occur in never smokers. Epidemiological studies suggest that environmental toxic exposures (radon, second hand smoke, pollution etc) can be linked; however, for a given individual it is hard to establish a definite link; the biology of lc in never smokers is different and there are certain molecular features that may make it more responsive to certain drugs;. ...Read moreSee 2 more doctor answers
Get evaluated: About 10% of the lung cancers occur in non-smokers. Among never-smokers aged 40 to 79 years lung cancer ranged from 14.4 to 20.8 per 100, 000 person-years in women and 4.8 to 13.7 per 100, 000 person-years in men. Irrespective of the national rate, persistent cough should be evaluated asap to prevent further damage. ...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
Stage IIB LngCa: Iib is a 5-7 cm tumor and n1 node positive, or >7 cm , or invasion into a resectable structure, or collapse of an entire lobe with no nodes positive. This is quite rare. If resected and proven to be just the features above, many would add chemotherapy or radiotherapy. Regardless, the survival is between 30 and 50% at 5 yrs, meaning 50 -70% die before then. ...Read moreSee 1 more doctor 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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