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Doctor insights on: What Percentage Of Lung Nodules Are Cancerous

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What percentage is a 6mm lung nodule of being cancerous I’m 43 non smoker no drugs internet says 40 percent are cancerous just worried it could be?

What percentage is a 6mm lung nodule of being cancerous I’m 43 non smoker no drugs internet says 40 percent are cancerous just worried it could be?

If you: Are not at increased risk, and the nodule has benign CT features, then the chance of malignancy is less than 1-2%. This is from the ACR's Lung-RADS classification system. 40% is simply not correct. ...Read more

Dr. Barry Rosen
4,351 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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If your suv number is 2 and CEA a 5.6 does that mean lung nodules are cancerous?

If your suv number is 2 and CEA a 5.6 does that mean lung nodules are cancerous?

Maybe: A standard uptake value of more than 2.5 would be more worrisome, and a blood CEA of 5.6 can simply mean that you smoke. Regardless of these results, you are going to get the nodule (s) biopsied; especially if they are multiple, the result may be something treatable that is low on the list of entities that you may already have considered. Good luck & stay proactive; there are lots of new rx's here. ...Read more

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Can a teenage smoker get a cancerous lung nodule?

Can a teenage smoker get a cancerous lung nodule?

Lung cancer: It would take longer than a few years of smoking to get lung cancer. But you can get cancer at any age and sometimes the cancer will spread into the lungs. ...Read more

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If a person smoked, does that cause cancerous lung nodules?

Modules: Smoking increases the risk of developing cancerous lesions. But not every nodule in current or past smokers is cancerous. Every nodule must however be considered cancer until it has been appropriately monitored or biopsied to rule out cancer. ...Read more

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Can small lung nodules be cancerous?

Can small lung nodules be cancerous?

Yes: Cancers do start out as small lesions/nodules. ...Read more

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Lung nodule grew 6mm, could I have cancer?

Lung nodule grew 6mm, could I have cancer?

50%: A non calcified lung nodule has a 50%risk of being cancer. Diagnosis of cancer is made by pathologist on a microscopic slide of a significant biopsy size. Removal of the whole nodule provides the pathologist with adecuate specimen. Needle biopsy of a lung cancer will miss the diagnosis half the time. So if it is cancer by needle bx it is. Otherwise undiagnostic. ...Read more

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What are the odds that a lung nodule is cancer?

What are the odds that a lung nodule is cancer?

It depends: Not all lung nodules are alike. The odds that a nodule is cancer depends in the appearance and size of the nodule, the medical history of the patient, the smoking history of the patient, and how the nodule changes over time. Radiologists, pulmonary physicians and thoracic surgeons are best qualified to determine the risk that a particular nodule is cancer. ...Read more

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Ir lung nodules are not cancer, what exactly are they?

Ir lung nodules are not cancer, what exactly are they?

Many things: Some are from trapped tissues from old infections such as pneumonia, some are old granuloma or set in inflammation that has died down (like a chalazion in the eyelids, or old scars. ...Read more

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I was wondering what are the odds that a 2cmx3cm lung nodule is cancer?

I was wondering what are the odds that a 2cmx3cm lung nodule is cancer?

Tissue biopsy: At least 50% if non smoker over that if smoker. Need to perform excisional or incisional biopsy and cultures for the pathologist to determine what is it. ...Read more

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If I have multiple lung nodules and pleurisy, does that mean the nodules are cancerous?

If I have multiple lung nodules and pleurisy, does that mean the nodules are cancerous?

LungNodules/Pleurisy: Not all lung nodules are cancerous. May need biopsy to be certain. Pleurisy is inflammation of the linings of the lungs which causes chest pain on deep inhalation. Can be due to several diseases including pneumonia, pulmonary embolism (blood clot in lungs), lung cancer, pleural effusion (fluid in lungs). May need to see pulmonologist (lung doctor specialist). ...Read more

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Can you tell me if a person has a history of cancer and has lung nodules, could these nodules be cancerous?

Can you tell me if a person has a history of cancer and has lung nodules, could these nodules be cancerous?

Yes: If you have a history of cancer, and there are lung nodules found, they must - at the very least - be followed very closely with multiple ct scans.

They can definitely be cancerous. Now, having said that, they may just be scars or temporary infections, etc. But, you have to follow them closely.

Good luck! ...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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If a lung nodule grows to 1cm and its cancerous and taken out. What are the chances of cure or survival? The internet says it is still low.

See braking bad: Need to know pathology results: small cell cancer vs non-small cancer vs mets - all will cast different prognosis. See oncologist for stats. ...Read more

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28/f/smoke10 yrs, quit 4 yrs ago. 2mm sub plural lung nodule in periphery base. What are chances its cancer? Very scared. Have to wait 6 months.

28/f/smoke10 yrs, quit 4 yrs ago. 2mm sub plural lung nodule in periphery base. What are chances its cancer? Very scared. Have to wait 6 months.

Unlikely Cancer: At 28 years of age even for a heavy smoker a 2mm nodule would be unlikely to be cancer. The recommended follow up of a 2mm nodule should be 1 year, not 6 months, however, because it is so small growth will be almost impossible to determine. If you quit smoking at age 24 then your total number of pack years of smoking (total exposure) is low. It is highly unlikely that this is cancer. ...Read more

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Noncalcified 6mm upper lung nodule. Stayed that way for 3 years. 4th year it grew to 8.4mm. 5th year is 1.2cm. Could this be slow growing cancer?

Noncalcified 6mm upper lung nodule. Stayed that way for 3 years. 4th year it grew to 8.4mm. 5th year is 1.2cm. Could this be slow growing cancer?

Yes!!!: Lung nodules are checked every 6 months for 2 years. If they don't change in size, they are considered stable, and annual cxr is in order.
If it grows, it could be malignant. 6 mm to 1.2 cm is a lot of change, so see your primary care doctor for a pulmonary consultation. ...Read more

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Had 6mm noncalcified lung nodule they say no follow up needed since I don’t smoke can they tell by location and size and shape if it looks like cancer?

Mgt.: A virtual appointment may be helpful to you and your PCP. The CT may be uploaded for review along with the scanned in report. During the visit an assessment of all your risk factors may be performed. Is there a family history of cancer? ...Read more

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Are small lung nodules cancer?

Needs biospy: Small nodules can be cancer, but they would need to be biopsied. Many times, the nodules are just scars and not cancer. If you find nodules on a cat scan of your chest, depending on the size, they need to be followed to make sure they don't grow or look ominous enough to warrant a biopsy. What to do about nodules also depends on your risk for lung cancer, i.e., were/are you a smoker, etc. ...Read more

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I have a 4mm lung nodule on my right lung 2 on my left could it be cancer?

I have a 4mm lung nodule on my right lung 2 on my left could it be cancer?

Maybe....: ...maybe not. If they are all less than 5-6 mm, there is usually not a whole lot to do other than observation and follow up. PET scans are usually not too sensitive for very tiny nodules. I would defer, however, to the judgement of your physician who knows your situation better and can determine if there is anything else to do now. If you smoke, please stop. Best to you. ...Read more

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How often do benign lung nodules change to cancerous, or do they all turn over a period of time? D

How often do benign lung nodules change to cancerous, or do they all turn over a period of time? D

Generally don't turn: Key factor is change in size; benign nodules tend to stay roughly the same size over time, malignant nodules don't-they get bigger more rapidly. Benign nodules are common-aftermath of prior infection, inflammation, etc.
Smoker? Ex- smoker? Lived/worked with a smoker? Occupational exposures? Family history? All are factors to be considered. Get follow up with your md, and/or pulmonary specialist. ...Read more

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What does it mean when a 1cm lung nodule has "small density", does that point toward Cancer? Or Benign?

Small density.: A 1 cm nodule is a small density. Most likely this is benign finding but additional info about appearance and history/ physical exam are important. Are you a smoker? What prompted the X-ray or CT? A 3 month follow-up film is likely needed if this is a new radiological finding. Talk to your doctor. Best wishes. ...Read more

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How common are lung nodules and if you have a few and it is not cancer what causes them can it also be from inflammtion?

How common are lung nodules and if you have a few and it is not cancer what causes them can it also be from inflammtion?

Very common: Lung nodules are very common, especially in the midwest, where you are from. A lung nodule can be a scar from any sort of infection that happened previously. Some times, they can be an early lung cancer. Usually, if they are found, they should be followed for at least 2 years to make sure they do not grow. This is especially true if the patient smokes.

There are protocols for following nodules. ...Read more

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Does non calcification lung nodules be cancer?

Could be: A lung nodule may be primary or metastatic lung cancer. A calcified nodule is more likely to be old granuloma. ...Read more

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What is a primary lung cancer that would cause multiple small lung nodules less than 5 mm when found?

Unusual: Consider some cancer superimposed on histoplasmosis.
Metastatic, military cancer from melanoma, breast can have unusual appearance.
Alveolar cell can be multiple lesions, but not like the description. ...Read more

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A surgeon told me that a lung nodule 2.7 suv is not cancer because cancer shows up at 4.1 and higher, do you agree?

A surgeon told me that a lung nodule 2.7 suv is not cancer because cancer shows up at 4.1 and higher, do you agree?

No BronchoalveolarCA: Lower suv values can still be associated with cancer, especially the bronchoalveolar type of cancer. The entire image and clinical status, smoking history and other details need to be considered while evaluating the likelihood of malignancy in a radiologic abnormality. There are risk prediction models available to quantify the risk of a particular nodule being malignant. ...Read more

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Way are common causes of multiple small non calcified lung nodules in both lungs that has remained same size in 4 months besides cancer?

Histoplasmosis: A common fungus in the midwest and south.
Used to be tuberculosis was common, but that is not anymore.
Cancer tends to grow.

Followup ct is important. ...Read more

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Is it normal for a 4 mm lung nodule to turn to lung cancer and spread to liver in just 4 months?

Possible: What you described is not normal, but quite possible. Small cell lung cancers can spread to other organs even before the primary lesion is detected. ...Read more

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If lung nodules turn out to be cancer, after biopsy, then is this curable, or incurable only? Thanks

Need more info: Is it a single small nodule with no lymph node involvement or large> 2cm) nodules with lymph node involvement or multiple nodules which may represent malignancy from another organ. The first option has the best outlook, the other two have poorer outlooks. ...Read more

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Is it normal for a 4mm lung nodule to go from that to full blown lung cancer and spread to liver in just 4 months?

Is it normal for a 4mm lung nodule to go from that to full blown lung cancer and spread to liver in just 4 months?

Not uncommon: Metastatic lesions only with unknown primary (origin cannot be found) constitute a specific type of cancers. The point is that the size of the primary tumor is not predictive of the stage. Not to mention that in this type of scenario it is assumed that the lesions described are related, but that may need to be proven with biopsies. ...Read more

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If a size of lung nodule increases from 8mm to 20 mm, is it always cancer, or could it stil be an infection causing increase in size, thanks?

If a size of lung nodule increases from 8mm to 20 mm, is it always cancer, or could it stil be an infection causing increase in size, thanks?

No: A lung "nodule" is a term for small abnormalities seen on xray and ct scans. Most are found to be non-cancer. If larger, 2.5 - 3cm or bigger, call it a "mass". All lung nodules and masses should be evaluated and followed by referral to a comprehensive thoracic surgical cancer program. Integration into a comprehensive program saves lives and decreases unnecessary morbidity. ...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


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