Toddler with long-standing vomiting after eating Upper GI exam shows a markedly distended stomach with marked gastroesophageal reflux rising to the level of the oropharynx and entering into the trachea clearly outlining the trachea to the right of the esophagus on the AP image (left) and anterior to the esophagus on the lateral image (right). The diagnosis was aspiration secondary to gastroesophageal reflux due to gastric outlet obstruction.