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Doctor insights on: Percentage Of Tumors That Are Cancerous

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What happens if so what is the percentage that the tumor is cancerous?

What happens if so what is the percentage that the tumor is cancerous?

100%: If interpareted ocrrectly a lesion is malignant even if 1% o the tumor mass is malignant and the remaining portion is benign. In many cancers, especially high grade malignancies every cell is essentailly a malignant cell. In some tumors such as liposarcoma, 10% of the tumor can be malignant and 90% lipoma. Regardless, any % no matter how small makes the tumor malignant. ...Read more

Dr. Barry Rosen
4,341 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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What is the percentage of lung tumors being benign vs cancerous?

What is the percentage of lung tumors being benign vs cancerous?

Details matter: Many lung nodules are benign. This will depend on were you live. Lung nodules can be granulomas, infections, fungal infections, benign growths such as hamartomas, and finally cancerous. It is important to have either serial imaging or a biopsy if a lung nodule is found. There are currently guidelines for this that a pulmonary medicine specialist or thoracic surgeon should follow. ...Read more

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What is the risk percentage of open brain surgery to remove a cancerous tumor at the right patietal extra axial dura? & does the tumor come back again?

What is the risk percentage of open brain surgery to remove a cancerous tumor at the right patietal extra axial dura? & does the tumor come back again?

Discuss with MDs: Your risk and prognosis depend on the type of tumor, stage of tumor, it's location, surgical approach and your overall health. Insist on a consultation with your surgeon and have all of your questions answered. Best of luck, madam. ...Read more

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What's the average/typical size of ovarian tumors that are cancerous?

What's the average/typical size of ovarian tumors that are cancerous?

Size is not criteria: Benign cysts could be huge, malignant ovarian tumors could be very small, so size is not the criteria. Go for regular gyn examinations, sonograms if indicated and follow your doctors advise. ...Read more

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Which types of tumors are cancerous?

Which types of tumors are cancerous?

Malignant: By definition, malignant tumors are cancerous. A tumor is just an abnormal swelling - many times it is benign (no serious, imminent concern). But if it is found to contain cancerous cells, it is then malignant. ...Read more

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What are the odds of a tumor being cancerous?

What are the odds of a tumor being cancerous?

Need more info,,: I think more information is needed for your question. In general, very few tumors are actually cancerous, and these are detected only at the end of their growth. Even a small mass is the result of many doublings of cancer cells. It can be that a person has a lump or two in their body without knowing it. That's why so many imaging devices and screening techniques are needed to find what we can. ...Read more

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Do you know if pancoast tumors are cancerous?

Do you know if pancoast tumors are cancerous?

Yes: A Pancoast tumor, is a tumor of the pulmonary apex. It is a malignant lung cancer that is primarily defined by its location situated at the top end of either the right or left lung. It tends to spread to nearby tissues such as the ribs and spine Most of these lesions are non-small cell cancers. The tumor can cause compression of a brachiocephalic vein, subclavian artery, and phrenic nerve ...Read more

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Fatty tissue or cancerous tumor, how to tell?

Biopsy: Fatty tissue in the form of a lipoma becomes suspiciaous for malignancy when it grows and reachs over 10 cm. With large fatty tumors, total excision is required for diagnosis since part of the tumor can be benign and part malignant. A sample biopsy can prove to be wrong. ...Read more

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What are the chances of a tumor not being cancerous?

Common: A tumor by any other name is a growth. It can be either benign or malignant, differentiated based upon the potential to spread. The best way to determine this is by a tissue biopsy, but we can make better predictions based on the organ of origin, physical exam, and x-ray findings. ...Read more

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Can cancerous tumors form in all places in the body?

Yes: The fact that there are different types of cancers-ie. Brain, lung, breast, colon, pancreas- to name just a few tells us that the cancerous tumors can occur anywhere in the body. These cancers originate from the parent organ. Somehow the normal cells mutate and grow at a rapid rate, thus invading and taking over the normal tissue. What causes these tumors to mutate and form is unknown. Much research. ...Read more

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Please describe the steps to seeing if a tumor is cancerous?

Please describe the steps to seeing if a tumor is cancerous?

Adequate biopsy: DX of malignancy is histologically based to define the nature and status of low or high grade. Immunologic studies help define the type of tumior is not obvious. One can if needed look into oncogene mutations such as p53 which helps control cell cycle.
Newer mAbs can signify whether oncofetal proteins defining specific cancer are present. ...Read more

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Do cancerous tumors shrink on their own and then swell back up?

Do cancerous tumors shrink on their own and then swell back up?

Lymphoma of the: Indolent variety commonly does this. Solid tumors may vary in size slightly but very rarely appear and disappear due to nothing. ...Read more

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How likely is getting a cancerous tumor after getting a non-cancerous one?

How likely is getting a cancerous tumor after getting a non-cancerous one?

Depends: Some "non-cancerous" tumors (like certain kinds of colon polyps) can progress to cancer so if someone has a lot of those, he/she has a higher risk. Some others do not transform per se but are present as part of a syndrome in which cancer is prevalent (e.g. Hamartomas in cowden's disease). Most have nothing to do with cancer and will not affect your risk. Depends on the kind you had. Regards. ...Read more

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Could you tell me what happens if a cancerous tumor goes untreated for years?

Could you tell me what happens if a cancerous tumor goes untreated for years?

Cancer growth: Slow growing cancers can do little damage over short periods even without treatment but eventually can kill if given enough time. Aggressive cancers can do enough damage in a short period therefore treatment should be offered. ...Read more

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What are the steps to seeing if a tumor is cancerous, other can cutting it out?

What are the steps to seeing if a tumor is cancerous, other can cutting it out?

Biopsy: A piece of the tumor can be taken out and sent off to a laboratory for analysis. This is called a biopsy. The cells are analyzed for any cancerous or precancerous activity. The results are reported back to your doctor, and then to you. ...Read more

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Is it possible for a cancerous tumor to remain the exact same size and shape for 4 years?

No: Uncontrolled growth is one of the hallmarks of cancer. It a lump has not increased in size in 4 years, by definition it is not cancer.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, low fat milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex. ...Read more