Judging from the photos, it is harmless to the body if it is not removed. If you want to remove it from the perspective of beauty, it is recommended to have surgery. However, because the nevus is relatively large, it may be difficult to suture directly, and skin flap transfer may be needed. Suggest looking for a plastic surgeon.

(Dr. Wu Sufan from Zhejiang Provincial People's Hospital solemnly reminds me that because I can't meet the patient face to face, I can't fully understand the condition. The above suggestions are for reference only. Please go to the hospital for specific diagnosis and treatment under the guidance of a doctor! )