“…10 Delayed complications include esophageal perforation, esophageal stricture, vocal cord paralysis due to recurrent laryngeal nerve damage, and development of tracheoesophageal or aortoesophageal fistulas that can lead to exsanguination and death. [1][2][3][4][5]9,10,24 Litovitz et al 9 reported an alarming 6.7-fold increase from 1985 to 2009 in the percentage of button battery ingestions with severe and fatal outcomes, and found that outcomes were worse among children ,4 years old. Because button batteries may be mistaken for a coin, electrocardiogram electrode, or other external object on a chest radiograph, disk-shaped objects should be carefully examined for features such as diameter and a double rim to prevent delays in diagnosis.…”