Unusual radiological finding in foreign bodies ingestion: three esophageal coins - Moreno Alfonso, Julio; Pérez Martínez, Alberto; Molina Caballero, Ada; Busto Aguirreurreta, Néstor; Goñi-Orayen, Concepción; Gil Sáenz, Francisco; Elcano Sarasibar, Leire (Colombia Médica, 2022)