Which benign tumor typically presents as a painless, gradually growing submucosal mass with pseudoepitheliomatous hyperplasia of the covering epithelium?

Explanation

The granular cell tumor is a benign lesion characterized by a slow, painless enlargement beneath the mucosa and often shows pseudoepitheliomatous hyperplasia in the overlying epithelium. Fibromas are fibrous tissue growths without this epithelial change, rhabdomyomas arise from muscle tissue, and papillomas are exophytic epithelial proliferations.