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Ken, Postgraduate doctor
Category: Medical
Satisfied Customers: 6558
Experience:  Working as a Doctor who Cares since 2001.
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I have a very movable lump on top of my left rib cage. It

I have a very movable... Show More
I have a very movable lump on top of my left rib cage. It is beneath my bra strap. It is about an inch long and fairly narrow. It almost feels like a tendon. It doesn't hurt. I am fairly thin so maybe that is why I noticed it so easily. I just had a mammogram in the last couple weeks and it was normal. I have breast implants (silicone).
Submitted: 5 years ago.
Category: Medical
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Dr. German, Doctor
Satisfied Customers: 3834
Experience: Medical Doctor
replied 5 years ago.
Hi, welcome to justanswer , these movable lump could be a cyst ( fluid filled sac , it could have other substances like protein material inside ).
Cysts can be removed surgically if they begin to produce symptoms. Other benign conditions that produce movable lumps are fibroadenomas ( which are benign breast masses) and lipomas ( with an accumulation of fat tissue ).
If your mammogram ,was normal ,there is no need to get worried.
In the future,you should continue having mammograms every 1-2 years to detect any cellular changes on time .
But all these conditions I mentioned before do not need treatment . In some cases, fibroadenomas are removed surgically.
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Customer reply replied 5 years ago.
So since this is movable you are not concerned about something like cancer? What type of lump should be checked out by a doctor?
Dr. German, Doctor replied 5 years ago.
Hi, welcome to justanswer , usually when masses are moveable , in most cases,they are benign . if the mammogram was completely normal ,there is no need to get worried .
All type of lumps that You feel in that specific area must be checked to rule out the possibility of breast cancer.
That is what you did ,which was the right thing to do .
In your case ,there is nothing to be worried or concerned .
However , an important preventive measure is that all women over 40 years have a mammography every 1 -2 years to detect the development of new lumps or the development of any significant cellular changes on time .
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DrRussMD, Board Certified Physician
Satisfied Customers: 63856
Experience: Internal Medicine--practice all of internal medicine, all ages, family, health, prevention, complementary medicine, etc.
replied 5 years ago.
I disagree with the above expert
First of all it appears that you indicate that this mass is not in the that correct?
but rather on the rib cage.
Since you have silicone implants, the mass could be a siliconoma, which is where silicone migrates and forms a mass.
This is a possibility here.
A cyst would not be so elongated typically.
If you have a large concern, and MRI would be helpful in definitely ruling out breast cancer if this were in the breast.
Fine needle aspiration could define what this is...cyst, lipoma, or siliconoma.
Good luck

Let me know if you have further questions

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Customer reply replied 5 years ago.
Relist: Other.
Would like a 3rd opinion. I had one doctor answer and another doctor disagree with her answer. I would like a 3rd doctor to review.
Ken, Postgraduate doctor
Satisfied Customers: 6558
Experience: Working as a Doctor who Cares since 2001.
replied 5 years ago.

I can understand your anxiety.

Negative mammogram fairly rules out a breast lesion. The region below the breast has ribs with muscles, vessels and nerves in between, overlying fat and skin. A movable lump makes me think of lesion arising from fat {lipoma} as my first bet. With you having silicon implants I would also like to rule out siliconoma. Malignant tumor looks less likely {generally will grow fast, generally not mobile and may be associated with symptoms like pain, loss of weight or appetite}.

If I were you I would get MRI for the region concerned to get a clue to diagnosis and above all for peace of mind.

Wish you well. God bless
Customer reply replied 5 years ago.

Should I see my family doctor, my OB doctor, or my plastic surgeon for this matter?

Ken, Postgraduate doctor replied 5 years ago.

I would start with my family doctor and then proceed to plastic surgeon if needed later.