Image gallery: Primary cutaneous chest‐wall osteosarcoma, an extraordinary entity - Ocampo Candiani, Jorge; Ocampo Garza, Sonia Sofía; Franco Márquez, Rodolfo; Villarreal Villarreal, César Daniel; Villarreal Salinas, Daniel Leocadio; García Lozano, José Alberto; Alvarez Cano, A. (2019)