It can be improved by plastic surgery. Because the scar shape is different, the surgical plan is also different, such as surgical resection and polishing. I suggest you see a doctor.
The hospital will determine the best treatment plan after seeing an expert. Then it is impossible to completely remove the scar after it is left, at least not in medicine at present.
This technology. The best scar removal and plastic surgery hospital in Shandong Province is Weifang, a plastic surgery hospital of Medical College, with rich experience in scar removal and plastic surgery. State-run hospital, charging standard, safe and reliable.