Stomach Stomach: GIST (#1) By Dr. Paul M. Choi Stomach 29 September 2012 Hits: 2774 Share: Facebook Twitter Google+ 69 years old female who underwent upper endoscopy examination for an evaluation of anemia (hemoglobin 8.5). The examination showed a large fundic GIST (Gastro-Intestinal Stromal Tumor) measuring 7 cm. Prev Next