sentences:  This training consists of an initial medical, transitional, surgical, or pediatric intern year followed by a three-year dermatology residency.Following this training, one- or two- year post-residency fellowships are available in immunodermatology, phototherapy, laser medicine, Mohs micrographic surgery, cosmetic surgery, dermatopathology, or pediatric dermatology.For the past several years, dermatology residency positions in the United States have been one of the most competitive to obtain.