Lorena de Oliveira Cerqueira is an honor graduate medical doctor from Vila Velha University, School of Medicine, where she also started her studies about WIfI classification for lower extremity threatened limb. She is currently a second-year general surgery resident at the Federal University of Espirito Santo and a member of the Brazilian Society of Angiology and Vascular Surgery (SBACV). She has some publications about WIfI classification, including a literature review, publication in the Brazilian Vascular Journal, and some book chapters, in addition to several classes and exhibitions on this subject. At the moment, she is working on two new book chapters about lower extremity threatened limb adequated classification.