MR, no, I don't think this is common or normal. Please call your surgeon's office to report this; it may very well be you need to have some drains put in for awhile, as those of us who've had a mastectomy have had done. I don't think it's dangerous, but it might become painful; so call as soon as you can, OK? Best of luck to you - PJH
I agree with PJ. You need to call the doctor. I didn't have lumpectomy, so I don't know how common it is to have that much fluid (called a seroma) to collect. I do know that it is not uncommon to have seromas drained after surgery. Most of the time the body can reasorb the fluid, but if you can hear sloshing, the doctor might decide it needs draining.
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