Fig. 1

Endoscopy findings. a. In 2005, a pedunculated polyp measuring approximately 10 mm in diameter was observed on the greater curvature of the lower gastric body. The surface of the polyp was slightly reddish. On biopsy, the lesion was diagnosed as a hyperplastic foveolar polyp. b. In 2013, the pedunculated polyp on the greater curvature of the lower gastric body had grown to 12 mm in diameter. The head of the polyp was more rounded compared to the image taken in 2005. c. In 2014, the pedunculated polyp on the greater curvature of the lower gastric body had grown to 20 mm in diameter. The head of the polyp was slightly reddish, more rounded, and tense