...Patient History: At six years old, Landen had ulcers throughout his esophagus and into his upper stomach. As his symptoms worsened Landen was unable to swallow solid food. “His life changed,” says Kara, Landen’s mother. “He couldn’t participate in normal childhood activities like sleepovers and birthday parties and it was very hard for him to understand why.” Landen’s family had to watch what they ate in front of him and their grocery budget was...