label: esophageal granular cell tumor
label_lc: esophageal granular cell tumor
description: A tumor that usually presents with small nodules or small sessile polyps, predominantly in the distal esophagus. Histologically, it is composed of sheets of oval to polygonal cells with a small central nucleus and abundant granular cytoplasm. This is usually a benign tumor. (WHO, 2000) -- 2003