MONDO_0004832 (esophagus leiomyoma) is a benign smooth muscle neoplasm arising from the lower part of the esophagus. It is the most common mesenchymal neoplasm of the esophagus. Dysphagia is a frequent clinical symptom. Also known as: esophageal leiomyoma, leiomyoma of esophagus, leiomyoma of oesophagus, leiomyoma of the esophagus, leiomyoma of the oesophagus.