5. Materials and Methods
This pilot study was conducted as a prospective, double-blinded, separate-scar side, randomized placebo-controlled trial at Ramathibodi Internaltional Trainging Center for Laser Therapy, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand which involving 15 patients who had undergone female-to-male subcutaneous mastectomy at over a period of approximately 10 months (July 2021 to April 2022).