Fig. 2From: Screening for esophageal adenocarcinoma and precancerous conditions (dysplasia and Barrett’s esophagus) in patients with chronic gastroesophageal reflux disease with or without other risk factors: two systematic reviews and one overview of reviews to inform a guideline of the Canadian Task Force on Preventive Health Care (CTFPHC)a PRISMA flow diagram for KQ 1. b PRISMA flow diagram for KQ 2. c PRISMA flow diagram for KQ 3Back to article page