This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T., Subject name: Pathology
Most common benign tumor of esophagus is? 
Select and explain. 
A. Lipoma, B. Fibroma, C. Leiomyoma, D. Lymphangioma
C: Leiomyoma
Answer: C: Leiomyoma 
Explanation: Ans. is 'c' i.e. Leiomyoma "Tumors of smooth muscle origin, leiomyomas are most common; fibromas, lipomas, hemangiomas, neurofibromas and lymphangiomas also occur Robbin and Cotran pathological basis of disease, professional edition.Also remember* Leiomyoma is the most common benign tumor of Upper gi tract. The commonest site of leiomyoma in git is stomach (61.5%) followed by jejunum (19%).