n

%

Epigastralgia

66

59.4

Looking for esophageal varicose veins

17

15.3

Ulcer syndrome

13

10.8

Upper gastrointestinal bleeding

3

2.7

Gastroesophageal reflux

5

4.5

Abdominal pain

4

3.6

Chest pain

2

1.8

Etiological research of severe anemia

1

0.9