Upper third revision? (Photo)

Hi, what do you think is the reason: Otoplasty performed successfully on March 2023. Initial results were very satisfactory. At 2.5 months post-surgery, a protruding suture in the upper third of the LEFT ear required removal, but it did not noticeably affect the outcome. No significant changes in ear shape over several months. After 26 weeks (nearly 6 months), the upper third of the RIGHT ear suddenly protruded more. Sutures that were previously palpable behind the right ear are no longer so