gastric cannonball

Any smoothly contoured, large and non-ulcerated filling defect, seen in radiocontrast studies of the stomach
Aetiology Metastatic hepatoma, but also hematomas, submucosal leiomyomas, lymphomas, neurofibromas, metastatic intraperitoneal cancer, and other lesions that deform the gastric mucosa
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

gastric 'cannonball'

Radiology Any smoothly contoured, large and non-ulcerated filling defect, seen in radiocontrast studies of the stomach Etiology Metastatic hepatoma, but also seen with hematomas, multiple submucosal leiomyomas, lymphomas, neurofibromas, metastatic intraperitoneal CA, and other lesions that deform the gastric mucosa. Cf 'Golfball' metastases.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.