If you are referring to your breast, yes, you may notice some trapped air early on in the healing process. That air will slowly absorb. You may be the only one who notices it.
If you are referring to intestinal gas, the answer is yes. The pain medications cause the bowel to slow down and intestinal gas can become trapped. If you are referring to an abnormal feeling on the breast implant that also can be air trapped inside during surgery and will go away soon. For more information please read below: