Scars on the chest that are getting bigger can be removed by cryotherapy, surgery and some other methods. 1. Cryotherapy: If the keloid is relatively small, it can be removed by cryotherapy, but there is still a possibility that the keloid will reappear locally after cryotherapy. 2. Surgery: For more obvious keloids, surgical excision, skin grafting or flap transplantation can be carried out. After the surgery, combined radiation therapy and local injection of glucocorticosteroid drugs are needed to prevent recurrence. 3. Other treatments: for smaller children or early scars or tiny keloids, silicone preparations can be used for treatment, which is less damaging, and can also be treated with compression garments or bandages to get significant relief. Chest scars are getting bigger and bigger should be timely to the regular medical institutions, according to the specific circumstances to take the appropriate treatment, do not casually deal with, to avoid leading to adverse consequences.