Table 5. Details of the 4 patients with malignant disease without a referral indication according to the guideline.

No	Gender	Age	Sedation	PPI or H2RA use	H. pylori status	Referral indication	Diagnosis
1	Woman	81	No	Yes	Unknown	Nausea	Esophageal carcinoma
2	Man	80	Unknown	Yes	Unknown	Epigastric pain	Esophageal carcinoma
3	Man	69	No	Yes	Unknown	Epigastric pain	Esophageal carcinoma
4	Woman	70	No	Yes	Negative	Cough	Malignancy of the stomach