How does the wound place after appendicitis operation take out a suture have hard lump to do

After appendicitis surgery, there are hard lumps in the wound where the stitches are removed. It is normal in the process of wound recovery. Generally, it will obviously improve after 2~3 months. If the wound is red and swollen, it is considered to be caused by secondary infection. It needs to be debrided again and treated with anti-inflammatory treatment.