Esophagogastroduodenoscopy showed a large ulcerated sessile mass in the fundus and cardia. No active bleeding at the time. The rest of the stomach was normal. Biopsy was done.
Gastric biopsy showed a submucosal benign mesodermal tumor consisting of haphazardly interlacing spindle cells in a hyalinized stroma. The spindle cells showed no atypia or mitotic activity. CD117/CD34IHC stained positive. The final diagnosis was Gastrointestinal Stromal Tumor (Benign)