<prompt> Most common benign tumor of esophagus is?LipomaFibromaLeiomyomaLymphangioma  <response>: 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. 