Table 1.

Follow-up of precancerous conditions.

Precancerous Conditions	Timing of Endoscopic Follow-Up	Statement
Intestinal metaplasia limited to the gastric antrum or body	Every 3 years	Endoscopic surveillance with EGDS at least every 3 years must be considered mainly for patients with familial gastric neoplasia, autoimmune gastritis, or non-eradication of H. pylori infection.
Chronic atrophic gastritis and/or diffuse intestinal metaplasia.	Every 1–2 years	Scheduled endoscopic follow-up with controls 1–2 years is recommended.
Gastric dysplasia	Within 6 months for high-grade dysplasia and within 1 year for low-grade dysplasia.	In patients with dysplasia without suspicious lesions, first, an endoscopic evaluation at a third-level center should be performed, and possibly a review by expert pathologists to confirm the previous diagnosis and guide endoscopic follow-up. In the absence of evident lesions, even at the subsequent endoscopic evaluation, a new EGDS must be performed within 6 months for high-grade dysplasia and within 1 year for low-grade dysplasia.

EGDS, esophagogastroduodenoscopy.