Doctor insights on: 4 inch tumor in lung cancer

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How would lung cancer (tumor) spread to the brain?

How would lung cancer (tumor) spread to the brain?

Blood vessels: The cancer grows into small blood vessels and sheds cells that move through the blood stream to distant sites, lung, then rest of body. ...Read more

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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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My friend diagnosed stage 4 inoperablel lung cancer.6 rounds of chemo shrunk tumor but tumors in adrenals grew. She was diagnosed in march. Prognosis?

My friend diagnosed stage 4 inoperablel lung cancer.6 rounds of chemo shrunk tumor but tumors in adrenals grew. She was diagnosed in march. Prognosis?

Cosider localtherapy: I think the lung cancer can metastasize to the adrenal gland either by the lymphatic or the hematogenous route. In case of metastasis by the lymphatic route, it can be a solitary metastasis, and the prognosis can be relatively better. If the patient is young and in good performance status, aggressive treatment (stereotactic radiotherapy or even removal) can be considered in very selected case. ...Read more

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If a person had lung cancer, they couldn't feel the tumor when they take deep breaths, could they?

If a person had lung cancer, they couldn't feel the tumor when they take deep breaths, could they?

Usually not: Most lung cancers start in the interior tissue of the lung where there are no pain nerves. If the tumor, or its metastases, involve the outer lining of the lung (where there are pain nerves), one can then feel pain on breathing. Other medical problems (like pleurisy) can also cause pain on breathing ...Read more

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If I have chest pain and my X-ray was clear do I need to worry about lung cancer why would a tumor not show?

If I have chest pain and my X-ray was clear do I need to worry about lung cancer why would a tumor not show?

Many causes of Pain: Pain in the chest can be caused by many different reasons. Lung cancer can be one of these but it will often produce other symptoms such as cough and shortness of breath. If a chest X-ray is normal then you are not likely to have any tumor in your lungs. Other reasons to exclude is Angina (although it is a disease of the older people) or muscular pain (this is the most likely reason). Such pains go ...Read more

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My dad has small cell lung cancer, after chemotherapy the tumor was reduced 80%, can it still grow if left alone?

My dad has small cell lung cancer, after chemotherapy the tumor was reduced 80%, can it still grow if left alone?

Yes: Small cell lung cancer often responds very well to chemotherapy (shrinks) but it is unfortunately also common for the cancer to return after the completion of chemotherapy. Your medical and radiation oncologists can give you the best information for your father's particular case. ...Read more

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Can you please tell me why god allows my husband to suffer horrible pain from lung cancer and cancerous tumors on his spine?

Can you please tell me why god allows my husband to suffer horrible pain from lung cancer and cancerous tumors on his spine?

He can get help: I am sorry to hear of your husbands pain and how it is impacting his quality of life. I would highly receommend that he see his physician and possibly someone from pain and palliative care. We have a wide array of medicines to control pain. Radiation may also be an appropriate option depending on the circumstance. I hope he feels better soon. ...Read more

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Can you advise me on going on vacation with lung cancer/brain tumors?

Can you advise me on going on vacation with lung cancer/brain tumors?

Live for Today: I am going to make some assumptions here so please know where I am coming from. If you have brain cancer from your lung cancer then you are unlikely to live much longer. If a vacation does not involve a foreign country where care is minimal. .. go for it. ...Read more

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Dad refused to do radiation for lung cancer, 2 and 1/2 months now and the tumor's bigger. Is there still time to do radiation?

Dad refused to do radiation for lung cancer, 2 and 1/2 months now and the tumor's bigger. Is there still time to do radiation?

Probably: What size?
Where?

Any spread?
Symptoms? Weight loss? Etc
depending on these items and other personal risk factors, surgical removal has the best prognosis. ...Read more

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I'm 42 non smoker have had chest discomfort. If your having symptoms of lung cancer would the tumor be big enough to be seen on a xray?

I'm 42 non smoker have had chest discomfort. If your having symptoms of lung cancer would the tumor be big enough to be seen on a xray?

The sensitivity: Of a chest xray for detecting lung cancer ranges from about 40-80% according to various studies. A chest x-ray is not sufficient to rule out lung cancer, sometimes even larger tumors can be masked due to their location next to normal structures. If lung Ca is a realistic concern, Chest CT is the study of choice. ...Read more

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I'm 42 non smoker have had chest discomfort. If your having symptoms of lung cancer would the tumor be big enough to be seen on a xray?

I'm 42 non smoker have had chest discomfort. If your having symptoms of lung cancer would the tumor be big enough to be seen on a xray?

The sensitivity: Of a chest xray for detecting lung cancer ranges from about 40-80% according to various studies. A chest x-ray is not sufficient to rule out lung cancer, sometimes even larger tumors can be masked due to their location next to normal structures. If lung Ca is a realistic concern, Chest CT is the study of choice. ...Read more

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Diagnosed with lung cancer, back pain experienced where tumor is. Taking tagrisso for 2 weeks now but still having pain. Is pain due to cancer?

Diagnosed with lung cancer, back pain experienced where tumor is. Taking tagrisso for 2 weeks now but still having pain. Is pain due to cancer?

Likely: Pain is due to the cancer until proven otherwise, specifically if the location matches. Different mechanisms maybe involved, including pleural effusion or musculoskeletal invasion, among others. Your oncologist is your best resource at this point and he or she should know about your symptoms. ...Read more

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I'm 42 non smoker have had chest discomfort. If your having symptoms of lung cancer would the tumor be big enough to be seen on a xray? I did have a c

I'm 42 non smoker have had chest discomfort. If your having symptoms of lung cancer would the tumor be big enough to be seen on a xray? I did have a c

Possibly: But small tumors can produce symptoms, and large tumors can sometimes be difficult to see on a chest xray, so a chest X-ray is not sufficient to exclude lung cancer. CT of the chest is much more sensitive. ...Read more

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Is chest pain a common symptom of lung cancer if cancer is causing pain how big would a tumor have to be and what is the likelihood of showing on xray?

Is chest pain a common symptom of lung cancer if cancer is causing pain how big would a tumor have to be and what is the likelihood of showing on xray?

Here is my guidance: Chest pain can be caused from many causes, lung cancer is not the first thing that should come to your mind. If the pain has been present for more than one week and your concern is cancer, a Chest X-ray will show it easily. But you should go see a doctor first in case your pain is persistent for >1 week.. ...Read more

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Why does lung cancer usually spread to the brain, thereby producing brain tumors?

Why does lung cancer usually spread to the brain, thereby producing brain tumors?

Brain Mets: (metastasis) as an entity comprise 100k per year. Lung cancer leads the league, but breast, melanoma, kidney are quite common. Prostate almost never. Only rhabdoid tumors in children commonly go to brain. This pattern stares at us, but baffles us as to why "organotropic" patterns of metastasis are so predictable. ...Read more

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My friend was diagnosed in march with stage 4 inoperable lung cancer.6 tounds of aggressive chemo shrunk lung tumor but now in both adrenals. Prognosis?

My friend was diagnosed in march with stage 4 inoperable lung cancer.6 tounds of aggressive chemo shrunk lung tumor but now in both adrenals. Prognosis?

Hard to say: Lung cancer often spreads to the adrenal glands, but adrenal tumors are often benign. The best predictor of how well your friend will do is how quickly the tumor is growing. If he truly had nothing there in march and now, despite chemotherapy, has large adrenal tumors growing that is not a good sign. If, however, your frined has had adrenal tumors all along, then the prognosis is much better. ...Read more

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Stage 4 lung cancer no chemo tumor grew & cancer spread, clinical trial only now, on oxygen for sob, blood clots in legs, what is life expectancy?

Stage 4 lung cancer no chemo tumor grew & cancer spread, clinical trial only now, on oxygen for sob, blood clots in legs, what is life expectancy?

Hard to say/depends.: At this stage of lung cancer, the options are limited as is survival. If treatment is done, it's usually chemotherapy and radiation and/or surgery after adjuvant chemotherapy. There are certainly trials out there and I would recommend talking to your doctor before starting any, but the chance for success is likely limited, as the 5 year survival of stage IV is <5%, but it doesn't hurt to try. ...Read more

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Dad, Oscar, was told stage 4 lung cancer 2.5 wks ago. 1/3 sz brain tumor removed. 3 brain lesions. In bones&pos liver. Would u cyperknife brain tomorrow?

Dad, Oscar, was told stage 4 lung cancer 2.5 wks ago. 1/3 sz brain tumor removed. 3 brain lesions. In bones&pos liver. Would u cyperknife brain tomorrow?

It depends: If you are 76, your Dad must be late 80s or early 90s. At such an advanced age it may not be worth being so aggressive with terminal cancer that at such advanced stage means he has only few weeks to few months left. However, if his desire is to be aggressive, Cyberknife is an effective an low risk procedure and I would recommend it highly. Otherwise, hospice care is very appropriate. ...Read more

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Is autonomic neuropathy a presentation of small cell lung cancer? If so how long until the tumor appears?

Is autonomic neuropathy a presentation of small cell lung cancer? If so how long until the tumor appears?

It can be: Autonomic neuropathy has many causes, including diabetes. Cancer would be the most unusual cause. Rarely autonomic neuropathy can be the first sign of cancer like small cell lung cancer. There is no way to tell when the tumor will appear, but most patients have anti-Hu antibodies on a blood test. If your doctor has ruled out every other cause, it might make sense to do that blood test. ...Read more

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Mum as lung cancer of left lung she's pallative care n now having bad pain on her right side not were the tumor is wht can this be she is on oramorph?

Mum as lung cancer of left lung she's pallative care n now having bad pain on her right side not were the tumor is wht can this be she is on oramorph?

Contact the Dr: The palliative care team needs to be informed of this ASAP. Their mission is to provide your mother with as comfortable a life as possible. They'll respond quickly and helpfully. Call then now! Sorry for your situation and your Mother's distress. I believe the'll help with both. ...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


Neoplasms (Definition)

"tumor" literally translates as "mass", so even a fresh bruise could be called a "tumor". Doctors use the term "neoplasm" (tranlates literally as new growth) to describe tumors that are abnormal growths of cells. These may be benign or malignant; "malignant" = cancer. In everyday usage, we use "tumor" ...Read more