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Doctor insights on: Painful Lump Under Left Armpit

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Few weeks ago noticed painful lump under left armpit. Not painful anymore but noticed the left breast is much smaller than the right. Worry or not?

Few weeks ago noticed painful lump under left armpit. Not painful anymore but noticed the left breast is much smaller than the right. Worry or not?

Normal: Breast assymetry is actually normal. It might be that you did not notice this until you were worried about the lump and started paying more attention. The location of the lump is consistent with lymph nodes in the armpit. The best care is to see a doctor and undergo a breast exam. ...Read more

Axilla (Definition)

Area of human body directly under the joint where the shoulder connects to the arm. It contains axillary vessels, brachial nerve plexus, lymph nodes & vessels, axillary ...Read more


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Lump under left armpit, firm and moveable although feels attached. Had it since I was around 13 and is painless but if I keep touching it gets painful?

Lump under left armpit, firm and moveable although feels attached. Had it since I was around 13 and is painless but if I keep touching it gets painful?

It could be...: If it has been there for so many years possibilities are: lipoma( fat benign mass), lymph node that has stayed enlarged, sebaceous cyst just to mention a few common ones. All these are not malignant. However you should get it checked in order to have a final diagnosis and if it needs removal. See your doctor for follow up on this. ...Read more

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I have a lump under left armpit, dr thinks it's only a cyst i go for test tomorrow, it's painful could this be cancer some say cancer doesn't hurt?

I have a lump under left armpit, dr thinks it's only a cyst i go for test tomorrow, it's painful could this be cancer some say cancer doesn't hurt?

You are right: Cancer commonly is a painless bump/lump. But some tumors can be tender. Armpit is prone to get infection in the hair follicles which can produce a red, tender painful lump but it usually settles down in one to two weeks. Breast cancer, of course can spread to the lymph nodes of the armpit and produce a firm, painless lump there. That is what you need to be sure about. ...Read more

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Recurring swollen lump under left armpit. Painful not red. In last, had swollen glands behind ear for months at a time. Worried about cancer. ?

Recurring swollen lump under left armpit. Painful not red. In last, had swollen glands behind ear for months at a time. Worried about cancer. ?

Not likely for you: Your age argues against this being a cancer. It is suspicious for some kind of infection or inflammatory problem. Consider seeing a surgeon or dermatologist to discuss the possibility of hidradenitis. ...Read more

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I have painful lumps under left armpit and one by my groin?

I have painful lumps under left armpit and one by my groin?

Lymph nodes?: It is always concerning to have swollen lymph nodes so it is important to see your doctor to be sure it is not that. It could also be cysts, or a condition called hidradenitis suppurativa (acne inversa). This also requires specialized treatment, so you'll want to see a dermatologist for sure to get a diagnosis and proper therapy. ...Read more

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I have a lump under my skin in left armpit. What is it? It is painful and i just started noticing it this past week.

I have a lump under my skin in left armpit.  What is it? It is painful and i just started noticing it this past week.

Without : Without a clinical exam and review of your medical history it is difficult to give you an answer, but it may be a reactive lymphnode but there are other things that need to be ruled out. You should schedule an evaluation by you physician as soon as reasonable possible to examine this. ...Read more

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Hi all, i noticed a lump under my left armpit about a week ago. It was small at first but has now grown to about 2-3cm and realy painful.

Hi all, i noticed a lump under my left armpit about a week ago. It was small at first but has now grown to about 2-3cm and realy painful.

Abcess.: Sounds like you have a small abcess. Pain may be relieved by incision although it is by no means necessary. May use hot compresses several times a day until this "points" and ruptures on its own. The fact that pain is bad indicates that may be soon. It is remotely possible that this is a lymph node that has been very stimulated. Same treatment. See someone if not improving. ...Read more

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I m 27 year old femaie.Recently I have noticed that I have a small lump on my left armpit. Earlier it was not painful but it pains n its soft lump?

Get checked...: There are many possible etiologies of the "lump" you describe including a cyst, enlarged lymph node, etc. See your doctor and have it evaluated so that proper treatment can be rendered. ...Read more