Dr. Masia Ayala is a renowned specialist in Plastic, Reconstructive, and Aesthetic Surgery, serving as the director of the Advanced Breast Reconstructive Service and the Integrated Lymphoedema Treatment Unit at Hospital de la Santa Creu i Sant Pau. Since 2000, he has introduced innovative micro-surgical breast reconstruction and lymphoedema techniques in Spain, establishing the hospital as a leading center for both treatments. In addition to his clinical work, Dr. Masia is deeply involved in teaching, research, and education.