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Doctor insights on: Lung Cancer Xrays

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Dr. Barry Rosen
4,214 doctors shared insights

Cancer (Definition)

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


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I just had an angio pulmonary cat scan with contrast to rule out a pulmonary embolism. Can that detect lung cancer? Chest xray normal. 42 years old.

Depends on size: Many patients who undergo a ct scan of the chest will have small or medium size nodules that are non-specific. A radiologist will document the size, and depending on the patients age and risk factors for developing lung cancer will recommend appropriate followup studies or sometimes even recommend a biopsy. We can suspect, but not diagnose lung cancer without a tissue diagnosis. ...Read more

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Can shortness of breath be the only symptom of lung cancer...had clear chest xray and 2 negative d dimers (all 3 in December)...scared!

Can shortness of breath be the only symptom of lung cancer...had clear chest xray and 2 negative d dimers (all 3 in December)...scared!

More info needed: Shortness of breath can have many causes, including heart disease,lung disease, clot in the lung, and anemia. it does not necessarily indicate lung cancer. Your doctor can help sort this out. ...Read more

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Liklihood of a 25 yr old having lung cancer after clear chest xray, lungs sound clear, coughed up decent streak of blood, clearing throat alot?

Liklihood of a 25 yr old having lung cancer after clear chest xray, lungs sound clear, coughed up decent streak of blood, clearing throat alot?

Near about Zero!: Lung Cancer is extremely rare before the age of 40. If you lung symptoms persist or get worse go see a pulmonologist to check you thoroughly. ...Read more

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What does lung cancer look like on an xray?

May vary: It may look like a small round nodule with smooth or spiculated edges. In some instances, it may have the appearance of ground glass or pneumonia. The clinical situation must be evaluated by your doctor. ...Read more

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What does lung cancer look like on an x-ray?

It varies: It can be a mass, or unusual calcifications, or an unusual "infiltrate" on a chest x-ray. In other words, it can have many different appearances. A chest x-ray is a great tool, but it takes skill to interpret. I do not recommend you try to interpret your films, but your doc can review it with you to give insights. Hope this helps. ...Read more

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Small cell lung cancer. How long was it there when you can see it on x-ray?

Small cell lung cancer. How long was it there when you can see it on x-ray?

Weeks to months: There is no hard and fast rule. In studies that tried to detect lung cancer early using a chest x-ray, almost half of the cancers appeared within a year of a normal x-ray. Taking into account the rate of growth of a cancer cell, and the minimum size needed for detection on x-ray, a good estimate for small cell is a few weeks to a few months. ...Read more

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What does lung cancer " mass" look like on an xray?

What does lung cancer " mass" look like on an xray?

Density: The tumor is dense so it blocks x-rays and shows up as a white circular mass on x-ray. ...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


Dr. David Cooke
825 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