Cystic Fibrosis with Helicobacter Pylori Gastritis, Megaloblastic Anemia, and Mental Retardation, also known as cystic fibrosis-gastritis-megaloblastic anemia syndrome, is related to lubani-al saleh-teebi syndrome. An important gene associated with Cystic Fibrosis with Helicobacter Pylori Gastritis, Megaloblastic Anemia, and Mental Retardation is POLE (DNA Polymerase Epsilon, Catalytic Subunit).