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Doctor insights on: Can Chest X Ray Detect Lung Cancer

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Can a chest X-ray or echo detect lung cancer?

Can a chest X-ray or echo detect lung cancer?

Not easily: Cxr has been compared head to head with chest ct scan for screening in high risk patients for lung cancer. That study, national lung screening trial, found that in high risk patients, screening chest ct scan was more effective, and was found to save lives. Larger cancers might be seen on a cxr, but smaller cancers may be missed. ...Read more

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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


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If lung cancer cannot be detected on chest X-ray what's the point in having one?

If lung cancer cannot be detected on chest X-ray what's the point in having one?

Lung cancer CAN: Be seen on chest x-ray, depending on the size and location of the lesion. Ct is the gold standard, but much more expensive and has a higher radiation dose. ...Read more

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Would a clear chest X-ray mean there is no lung cancer?

Would a clear chest X-ray mean there is no lung cancer?

Not necessarily: Chest xrays are not regarded as good lung cancer screening tools. Ct-scan, while imperfect, is currently the best demonstrated screening tool for lung cancer. A proper protocol chest ct will use about the same radiation as a mammogram. http://goo.gl/b69an. ...Read more

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Can you see lung cancer in a chest x-ray?

Can you see lung cancer in a chest x-ray?

Maybe: It depends on the size and location of the lung cancer. Small cancers (less than 1 cm) may be difficult to identify with chest radiographs. Ct scan of the chest is much more sensitive in evaluating for lung cancer and associated disease. ...Read more

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Other than chest x-ray, any other ways to look for lung cancer? Blood tests, etc.? Thank you.

Low dose CT: The national lung screening trial (new england journal of medicine) showed that screening chest ct in high risk patients (heavy smokers and older patients) reduced deaths from lung cancer by 20% compared to patients screened with plain x-ray alone. There will soon be specific guidelines on exactly who should under go routine chest ct screening. ...Read more

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I stopped smoking at 29 yrs old after close to 15 yrs smoking. I just had a clear chest x ray. What are my future chances of getting lung cancer?

See below: This is the best thing you did! your chances of getting lung cancer will diminish each year, reaching those of a non-smoker in about ten years. Congratulations! ...Read more

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I've had a cough for a week or so. Dry and wet cough about 12x a day. Could this be lung cancer? I had a clear chest X-ray in july. 36yo smoker.

I've had a cough for a week or so. Dry and wet cough about  12x a day. Could this be lung cancer? I had a clear chest X-ray in july.  36yo smoker.

Probably not.: Smokers often have chronic bronchitis which may progress to copd. Could also be infection. Cancer not very likely in your age group but not impossible. Cxr doesn't show all cancers. Why don't you just stop smoking? ...Read more

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Dr. Michael Gabor
764 doctors shared insights

Xray Of Chest (Definition)

A chest x-ray is the basic radiographic study for evaluation of the heart and lungs. It usually consists of 2 views: postero-anterior and lateral. The image is now usually acquired digitally with the sensor placed against the front of the chest for the pa view and on the left side of the chest for the lateral view. Pneumonia, heart enlargement, CHF and many other ...Read more


Dr. David Cooke
796 doctors shared insights

Lung Cancer (Definition)

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 ...Read more