You do have a fair degree of asymmetry and a bit more than I would expect at 16 days following surgery. There are a few more pieces of information that would be helpful in determining the etiology of your problem
1. were your breasts similar in size and shape prior to surgery
2. Were the same sized implants used on each side.
3. did you have more bruising on the left side?
Without an examination it may not be possible to determine if this is normal soft tissue swelling vs a seroma or hematoma, which is a collection of blood around the implant. You should check with your plastic surgeon, he is in the best position to determine if this is a problem or not. An ultrasound exam may be beneficial as well to rule out a collection of fluid or blood around the implant. If this is substantial then drainage may be needed.
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