Results: Within 1 month of follow-up, the main complication was hematoma (87.4%), after 1 - 3 years of follow-up, most of the lesions did not leave any traces (from 75% after 1 - 2 years of follow-up to 84.2% after 2 years) or only had minimal scars or minimal parenchyma distortion. There was only one case of residual tumor detected 1 year after excision due to objective factors.