Fibrogastroscopic technic for examination of the gastric fundus.
D000368:Aged; D013273:Diverticulum, Stomach / Q000175:diagnosis*; D020699:Gastroscopes; D006548:Hernia, Diaphragmatic / Q000175:diagnosis; D006801:Humans; D008297:Male; D013272:Stomach Diseases / Q000175:diagnosis