Background: In developing countries, breast reconstruction has multiple barriers, especially related to microsurgical procedures. Our aim was to describe the characteristics and outcomes of patients who underwent deep inferior epigastric artery perforator (DIEP) flap in 2 Latin American countries (Peru and Mexico) performed by recent postgraduate microsurgery fellows. Methods: A retrospective study of a case series of breast cancer patients who underwent DIEP flap surgery in 5 surgery centers in 2 different countries, Peru and Mexico, was conducted. Results: A total of 45 female patients were included, the mean age was 47.62 years with a median body mass index of 24.91 kg/m2. The majority of patients had a presurgical diagnosis of mastectomy (91.1%), whereas 8.9% had chronic radiodermatitis. Moreover, the most common reason for surgical intervention was breast reconstruction after breast...