Asymmetrical swelling is normal within the first month after breast surgery
It is not unusual after breast augmentation surgery to notice more swelling in one breast as compared to the other. This usually resolves within the first month after surgery.
In some cases, more work was done on one side, and therefore there will be more swelling.
However, if you notice sudden swelling in one breast associated with pain, you should contact your surgeon immediately to be evaluated for bleeding. Bleeding around or under the implant needs to be addressed immediately....