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lump on underarm

In July I noticed a lump on my left underarm.  I went to our local clinic and the Dr. diagnosed it as a lipoma or a sebaceous cyst. A few weeks later I went to have it removed. A different Dr. looked  at the lump and opted not do do the surgery because he did not feel it was a lipoma or a cyst. I was sent to do an ultrasound and a diagnostic mammogram. My breast tissue looked fine. The Dr who did my ultra sound showed me that my lymph nodes were fine. She also showed me that the lump looked to be fatty tissue. She thought it to be possibly edema, but she did not sound so sure it was. I go back in three months for a follow up visit.

As a side note, about this time I was ten days in to going from levothyroxine to nature- throid. The bump was sore at that time. I switched back to levothyroxine about 16 days ago and the bump only hurts on occasion now and not nearly as much as before.

Has anyone heard of anything like this? I am just curious. Nobody seems to know what it is and what to do about it.
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363281 tn?1643235611
I would not worry too much about it, wait to see what the doctor says at your next visit.
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Avatar universal
Thank you for your response.
I hope you are right!
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4851940 tn?1515694593
It is likely to be a ganglion and they are pretty harmless.  They do cause pain sometimes when pressed or if they are touching an underlying nerve.

Some people have lots of these.

As you have been investigated and nothing untoward has been found, and the fact that you will have a follow up appointment, you do not need to concern yourself.

Best wishes.
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