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Doctor insights on: Is Pain Under Arm A Symptom Of Breast Cancer

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Dr. Barry Rosen
1,337 doctors shared insights

Breast Cancer (Definition)

Breast cancer results when glandular cells lining the milk ducts and lobules of the human breast begin to grow in an unregulated manner. The growth occurs initially inside the ducts but eventually breaks outside into the breast tissue and ultimately spreads both to the lymph nodes in the armpit and via the bloodstream to other parts of the body. Because of the promoting affect of estrogen almost all breast cancer occurs in women and is a rarity in men. The unregulated growth is due to both inherited and acquired genetic defects. It is the most common malignancy in women but it often curable if found early and treated effectively with surgery, hormonal therapy, chemotherapy and targeted therapy, or a combination thereof. Early detection before the malignancy becomes large enough to be felt depends on mammography/sonography and MRI imaging of the breast ...Read more


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Surgeon said occult breast cancer spread to 2lymp nodes under arm no sign cancer in breast .Surgeon advises take out lymph glands, live breast .Should ?

Surgeon said occult breast cancer spread to 2lymp nodes under arm no sign cancer in breast .Surgeon advises take out lymph glands, live breast .Should ?

Standard treatment: The surgeon is giving you the "best evidence" advice. Without detecting any tumor in the breast, it is safer, less mutilating, less painful, less expensive, and better psychologically to leave the breast in place. Usually the tumor is so tiny that it cannot be found. Often, chemotherapy (to kill any cancer cells elsewhere in the body) and radiation to the breast is done. Good luck! ...Read more

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Neck, shoulder/armpit, arm pain, and a couple lumps in breast felt by dr. All on l side. I'm 23 years old. Breast cancer?

Neck, shoulder/armpit, arm pain, and a couple lumps in breast felt by dr.  All on l side. I'm 23 years old. Breast cancer?

Not always/depends,,: It doesn't always mean cancer. This can be fibrocystic disease with cysts that come and go with your cycle due to the hormones produced. It can also be benign lumps like fibroadenomas and the neck pain, etc. Can be unrelated. More tests like biopsy and scans may be needed, especially if you've got a family history of breast cancer so see your doctor to talk about what to do. Good luck. ...Read more

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Swelling of lymph nodes under the arm is a symptom of breast cancer? Are the swollen lymph nodes supposed to be pain-free?

No neccasarily: Lymphatic system absorbs/carries things too big to go into the arteries/veins like bacteria eaten by white cells and digested food. Lymph nodes "taste" the lymph for anything bad like bacteria/viruses/cancers, etc. When it detects a problem, it alerts the immune system and your body reacts. They enlarge in response to the inflammation they create when they react. They shrink when all is well. ...Read more

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Swelling of lymph nodes under the arm is a symptom of breast cancer, are the swollen lymph nodes supposed to be painful or pain-free?

Swelling of lymph nodes under the arm is a symptom of breast cancer, are the swollen lymph nodes supposed to be painful or pain-free?

Pain due to infectio: Painful lymph nodes are usually inflammatory or infectious. Cancer lymph nodes usually don't hurt unless they are very large. ...Read more

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What can cause pain under the arm? Is this a sign of breast? Grandmother recently died of breast cancer. How common is breast cancer in a 24 year old?

What can cause pain under the arm? Is this a sign of breast? Grandmother recently died of breast cancer. How common is breast cancer in a 24 year old?

Many things, no, not: Several things can cause pain under your arm. Breast cancer is usually a painless event and most commonly found by ultrasound, mammogram or by physical examination with evidence of a lump or mass. Breast cancer is relatively infrequent in 24-year-olds ...Read more

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I ve small pain in my left breast, left armpit & back(left side). Can dis b a symptom of breast cancer(no cancer history in my family) I am 21 female?

I ve  small pain in my left breast, left armpit & back(left side). Can dis b a symptom of breast cancer(no cancer history in my family) I am 21 female?

Very unlikely: It would be extremely unusual, but not impossible, for this to be a breast cancer. Any persistent symptom in the breast, and certainly any mass, should be examined by a doctor. You may need to have an ultrasound of the area done. It is always better to look into these things than ignore them. ...Read more

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Hi,I am 45 years old and I have pain almost over a year now under my armpit left side, and part of my left breast .Is this sign for breast cancer? Or

Hi,I am 45 years old and I have pain almost over a year now under my armpit left side, and part of my left breast .Is this sign for breast cancer? Or

We don't guess: One does not sit at home and just worry or guess. You have a significant concern. Go get an examination and testing to determine the cause of your problem. ...Read more

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Can pain in my shoulder and down my arm be breast cancer?

Unlikely: This is more likely nerve impingment. If the symptoms are persistent and you have a personal or family history of heart diease, you should talk with your doctor since chest pain from heart disease in women may be atypical. ...Read more

Dr. Barry Rosen
4,223 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


Dr. Mark Hoepfner
1,029 doctors shared insights

Breast Carcinoma (Definition)

Breast carcinoma is a type of cancer where this uncontrolled growth of breast cells. Symptoms can include breast lumps, pain, and weight ...Read more