Gastric inflammatory myofibroblastic tumor invading the esophagus and spleen: a rare case report and literature review.

Inflammatory myofibroblastic tumor (IMT) is a rare neoplasm with intermediate biological potential. The stomach is an uncommon site for IMTs, and gastric IMTs are typically confined to the submucosal layer. This report presents a rare case of a 29-year-old woman with a gastric IMT located in the gastric fundus, exhibiting local invasion into the esophagus and spleen.