Age

4 years

Surgery for congenital cardiac malformation

9 years

ALL^*

Treatment for ALL started

+2 months

GER^** diagnosed

Gastrostomy

1^st Gastroscopy

No esophagitis

+8 months

Severe esophageal gastrointestinal bleeding

2^nd Gastroscopy

Esophagitis

PPI^*** started

10 years

Symptoms of esophageal stricture

+1 month

3^rd Gastroscopy

Dilatation of stricture

Stricture

No esophagitis

13 years

End of follow up