Differential diagnosis of retroperitoneal tumor: chronic adrenal hematoma, an uncommon diagnosis Álvaro Soler-Silva; Verónica Aranaz-Ostáriz; Sandra Lario Pérez; José Antonio Barreras;

Megaesophagus secondary to Wilkie syndrome Álvaro Soler-Silva; Carlos Díaz-Lara; Inmaculada Oller; Antonio Arroyo;