Figure 3From: Interobserver variation in the endoscopic diagnosis of gastroduodenal ulcer scars: implications for clinical management of NSAIDs usersEndoscopic diagnostic concordance regarding presence or absence of duodenal ulcer scar in 30 cases. (black box): confident diagnosis of ulcer scar, (gray box): equivocal, (white box): confident diagnosis of ulcer scar absence.Back to article page