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Doctor insights on: Lung Nodule On Chest X Ray

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Ct scan showed very small lung nodule. I've had 3 chest x-rays prior and nothing showed on them. What happens now? How to determine if it's cancer?

Ct scan showed very small lung nodule. I've had 3 chest x-rays prior and nothing showed on them. What happens now? How to determine if it's cancer?

Depends: If the nodule is very small, it would not be seen in a plain x-ray so the fact you had 3 prior negative ones does not mean much. You may have had it undetected for years. Depending on how big it is and your clinical situation, your doc may opt to follow up with another ct scan in 6-12 months, do a pet scan, or proceed with a biopsy. Good luck and if you are a smoker, quit today. ...Read more

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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Can you explain results of chest X-ray led 2 cat scan, which led 2 pet scan. Results are multiple nodules. What causes lung nodules?

Can you explain results of chest X-ray led 2 cat scan, which led 2 pet scan. Results are multiple nodules. What causes lung nodules?

Multiple: There are many causes for pulmonary nodules, which can be broken down into benign or malignant. There are a large number of causes for benign nodules, and 95% of nodules seen on CT scan are benign. If the nodule is large enough, a biopsy may be recommended. The initial move is to see if the same mass was present on a previous scan. PET scans are used to add information, but should not be done firs ...Read more

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I had lung nodule found on ct of abdomen. They r going to do full ct. I recently had clean X-ray of chest. What should I think?

It depends on: The characteristics of the nodule and your risk profile. If you are at low risk (i.e. a nonsmoker), and the nodule is a small smooth rounded incidental nodule, likely it will mean follow up at 6 or 12 months for a couple of years to confirm stability, since the vast majority of these are benign. If it is large and irregular in shape, and you are at higher risk, it becomes more suspicious. ...Read more

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X-ray picked up 4mm lung nodule, possibly calcified. Could it be larger and the rest not visible on an X-ray due to non-calcification?

Very common finding: Here in kansas city, most of us have one of more of these little nodules from having met and contained histoplasmosis. They're nothing to worry about. A lesion wasn't missed because it wasn't calcified -- I've watched radiologists at work and you can trust them. There are lesions that are so unlikely to be cancer they're best left alone. Unless your physician tells you otherwise, just watch it. ...Read more

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I have a 2 CM calcified lung nodule as per my last x ray, should I be worried?

I have a 2 CM calcified lung nodule as per my last x ray, should I be worried?

Depends: The pattern of calcification is important. Lamellar, popcorn, central, and diffuse homogenous calcification are usually benign. Anything else that size is very suspicious. ...Read more

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X-ray said lung nodule about 1.2 in feb, aug 1.4 2.7 suv, pet, oct 1.5ct. Has it grown or not? Could it be cancerous after 8 months?

X-ray said lung nodule about 1.2 in feb, aug 1.4 2.7 suv, pet, oct 1.5ct. Has it grown or not? Could it be cancerous after 8 months?

Yes and no: 1.2 to 1.5 cm is not a lot of change and it may be positional, but if real bear in mind that cxr and ct are 2-dimensional and the lung nodule is 3-dimensional so it may account to doubling in growth. Also see all my previous answers, blondie:). ...Read more

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Questionable right lower lobe lung nodule vs end on vessel a followup x-ray is recomended in 3 month to reassess. No acute anatomic finding. Any wrong?

Questionable right lower lobe lung nodule vs end on vessel a followup x-ray is recomended in 3 month to reassess. No acute anatomic finding. Any wrong?

Unclear: The lauded radiologist, whoever it was that issued the report, is uncertain as to whether a nodule was found in the lung, or if there was a confounding shadow from a vessel. That is why he/she recommends a repeat of the exam (X-ray) in 3 months. A malignant nodule would get bigger. A stable appearance suggests a benign anomaly or artifact. Without seeing the actual film, nothing more can be said. ...Read more

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Surely, a thoracic surgeon must know if a round spot is a lung nodule, carcinoid or a coin lesion by looking at pet, CT and x-rays. Yes or no?

Surely, a thoracic surgeon must know if a round spot is a lung nodule, carcinoid or a coin lesion by looking at pet, CT and x-rays. Yes or no?

Pathology specimen: The pathologist makes the diagnosis with the microscopic exam of a piece of the lesion. Even then, it can be challenging to get diagnosis. So the answer to your question is no. Stay with your thoracic surgeon, get your follow up exams, stop nicotine if you have that addiction. Ok to go for a second opinion. Take a friend with you and don't be surprised if you get same answer. ...Read more

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Why wouldn't a thoracic surgeon do surgery on a lung nodule 1.4 2.7 suv. Pet, CT, x rays, blood tests. He said not at the moment. Advice please lwaiting is h-?

Why wouldn't a thoracic surgeon do surgery on a lung nodule 1.4 2.7 suv. Pet, CT, x rays, blood tests. He said not at the moment. Advice please lwaiting is h-?

Consider risks.: A solitary pulmonary nodule may be benign or malignant. Older age (>50), smoking history, and size >8mm increase the risk of cancer. A low suv on pet/ct, certain types of ct findings can suggest lower risk. If not high risk, a repeat scan in 3 months for a larger nodule with low suv is reasonable. If the nodule grows it must be biopsied. If no change, follow with serial scans. ...Read more

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What could a "Small density 1cm lung nodule "be, seen on chest xray, chances of malignancy?

What could a "Small density 1cm lung nodule "be, seen on chest xray, chances of malignancy?

Need more info: Smoker? Any other history?
Malignancy always possible but could be scar or benign nodule. Should be followed or biopsy for definitive diagnosis if feasible. ...Read more

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Can asthma cause lung nodule in non smoker 52 yr/F had chest xray april - negative, now chest xray july nodule showing?

Can asthma cause lung nodule in non smoker 52 yr/F had chest xray april - negative, now chest xray july nodule showing?

No: Asthma cannot cause lung nodules. Make sure the nodule is confirmed with a follow-up test. Sometimes artifacts are interpreted as possible nodules. ...Read more

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Chances of lung nodule being cancerous in 52/f never smoker, had normal chest xray in april, then nodule show in july. She has history asthma & bronchitis.

Chances of lung nodule being cancerous in 52/f never smoker, had normal chest xray in april, then nodule show in july. She has history asthma & bronchitis.

Need not be a cancer: Lung nodules can be of any nature. Needs proper evaluation with a CT scan of the chest (with and without IV contrast) to begin, as it is new and showed up first time. ...Read more

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Last xray found 6mm lung nodule but it was not on an xray fromvthe mpnth before. Why so sudden? Ciuld it be a mistake?

Last xray found 6mm lung nodule but it was not on an xray fromvthe mpnth before. Why so sudden? Ciuld it be a mistake?

See below: Lung nodules are much harder to see on CXR, especially one so small. My guess is it was there, just not visible on CXR. ...Read more

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I have an 11 mm spiculated right lung base nodule, that was detected 8.19.2015, and was not present in the chest x-ray from 5.20.2014?

I have an 11 mm spiculated right lung base nodule, that was detected 8.19.2015, and was not present in the chest x-ray from 5.20.2014?

Follow up: With your physician. It may need additional evaluation, most likely a chest CT if you only have had a chest xray. Depending on the CT findings, it may need a biopsy, to see if it is malignant. Unfortunately, a new spiculated mass is a suspicious finding. ...Read more

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My mom was diagnosed with bilateral nodules in the lungs by a chest X-ray and CT scan. The doctor told her that her system is good and there is no sign or symptom of any disease. But I'm worried. What should I do?

Soooo...: Nodule is not a diagnosis. It is a description of a finding on a study. Really need to know what kind of nodule. There are several types of nodules that are completely benign. He would not have told you all was well unless I really was. Doctors are generally very conservative. If her doc said not to worry why do you continue to worry? Maybe you should talk to them again. ...Read more

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I have a very small nodule on the apex of my lung found on chest X-ray my doctor saidit may be scar tissue or a blocked bone shadow, it is on the apex and I am 70 years old, is it cancer?

I have a very small nodule on the apex of my lung found on chest X-ray my doctor saidit may be scar tissue or a blocked bone shadow, it is on the apex and I am 70 years old, is it cancer?

Hard to say: Although lung cancers can present as lung nodules, most isolated lung nodules are not due to cancer. If you are in doubt, it is better to obtain a second opinion. ...Read more

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What does it mean if my chest X-ray showed a 12 mm nodule?

Infection/tumor: Nodules can be related to granulomatous infection such as tuberculosis or coccidiodomycosis or brucellosis if live in endemic areas. Other nodules can some times be caused by staph and can cavitate. Nodules can be seen in metastases and primary lung tumors.. ...Read more

Dr. Michael Gabor
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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


Nodule (Definition)

Any growth or deposit in the body or on its surface may be casually termed a nodule until its character is determined by the familiarity of the physician with it or by the results of a biopsy if it is not so obvious. The term is casual ...Read more